What is the Mechanism of the Halogenation of an Alkene? Help Me With Organic Chemistry
This video will discuss the mechanism of the halogenation of an alkene. The addition of a halogen to an alkene. The mechanism of halogenation is a key mechanism you must understand in organic chemistry. To start the alkene attacks that haolgen (chlorine, bromine) and the leaving group (the other halogen) leaves. At the same time a lone pair of the halogen attacks the carbon of the alkene. All the bond forming and bond breaking reactions occur at the same time making this another example of a concerted reaction. This mechanism goes through an ion call the halonium ion (chloronium, bromonium). The halonium ion is then attacked by the halide that was liberated in the first step (chloride, bromide) to form the dihalide.
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This video is part of a series called How to be Successful in Organic Chemistry. In this series I go over numerous problems that a student could expect to see in there organic chemistry 1 course. Doing organic chemistry practice problems will make you more successful in organic chemistry and biochemistry.
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Applying the IUPAC Rules to Naming Alkenes. Organic Chemistry Made Easy!
This video will go over how to use IUPAC rules to name complicated alkene molecules.
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This video is part of a series called How to be Successful in Organic Chemistry. In this series I go over numerous problems that a student could expect to see in there organic chemistry 1 course. Doing organic chemistry practice problems will make you more successful in organic chemistry and biochemistry.
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How to Predict the Stereochemistry Outcome of an E2 Reaction Help Me With Organic Chemistry!
The E2 reaction delivers alkene products. A reaction that follows an E2 mechanism becomes interesting when there are stereocenters that can deliver two diastereomers known as E or Z (cis or trans. The outcome of an E2 reaction is entirely predictable when you follow the rules. In this video I will show you how to use Newman projections to predict the E or Z cis or trans out come of these reactions. I will also show you how to do this without using a Newman Projection and get the same result!
The E2 mechanism is second order. This means that the base and the substrate exist together in the transition state of the rate determining step.
Failing organic chemistry? You do not have to fail Organic Chemistry!
This video is part of a series called How to be Successful in Organic Chemistry. In this series I go over numerous problems that a student could expect to see in there organic chemistry 1 course. Doing organic chemistry practice problems will make you more successful in organic chemistry and biochemistry.
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E2 Reactions and Bulky Bases Hoffmann vs Zaitsev Products in E2 Reactions. Help me with Org. Chem!
The E2 reaction delivers alkene products. A reaction that follows an E2 mechanism becomes interesting when two different alkenes can be formed depending on the size of the base employed. In deed, an alkene that is the most substituted is called the Zaitsev product and is generally the most stable alkene to form. The Hoffmann product is the alkene that is the least substituted and is generally less stable than the more substituted alkene. If a chemist wanted to produce the more substituted alkene as the major product they should use a small (non bulky) base. If a chemist wanted to produce the Hoffmann product they should use a large (bulky) base.
The E2 mechanism is second order. This means that the base and the substrate exist together in the transition state of the rate determining step.
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This video is part of a series called How to be Successful in Organic Chemistry. In this series I go over numerous problems that a student could expect to see in there organic chemistry 1 course. Doing organic chemistry practice problems will make you more successful in organic chemistry and biochemistry.
I recommend that you download the problem from the link below and attempt the problem yourself and use this video to correct your work.
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Dehydration of Alcohol with Ring Expansion (Rearrangements) Help Me With Organic Chemistry!
The dehydration of alcohols to for an alkene is an important concept in organic chemistry. You will be required to draw this mechanism on your exam so be prepared for it. This mechanism is acid catalized and therefor the first step in the mechanism is to protonate the alcohol. At this point the water leaves the molecule forming a carbocation. This carbocation is capable of rearranging just like any other cation. After the formation of the carbocation (and following any potential rearranging) the solvent deprotonates the carbons beside the cation to form an alkene. This mechanism is the same as the E1 except it adds the additional step of the protonating the alcohol in the first step.
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This video is part of a series called How to be Successful in Organic Chemistry. In this series I go over numerous problems that a student could expect to see in there organic chemistry 1 course. Doing organic chemistry practice problems will make you more successful in organic chemistry and biochemistry.
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The E2 Mechanism and the Anti Coplaner Conformation. Help Me With Organic Chemistry!
The E2 mechanism is an important item for every organic chemistry student to learn. The most important thing to remember is that the E2 mechanism is a concerted mechanism. This means that the entire reaction mechanism occurs simultaneously with no reactive intermediate. Another important aspect of the E2 mechanism is it occurs in an anti-coplaner conformation. This means that the proton being deprotonated must be in the same plane and in the anti orientation to the leaving group.
The E2 mechanism is second order. This means that the base and the substrate exist together in the transition state of the rate determining step.
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This video is part of a series called How to be Successful in Organic Chemistry. In this series I go over numerous problems that a student could expect to see in there organic chemistry 1 course. Doing organic chemistry practice problems will make you more successful in organic chemistry and biochemistry.
I recommend that you download the problem from the link below and attempt the problem yourself and use this video to correct your work.
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The Mechanism of the SN2 Reaction Video Help Me With Organic Chemistry!
This video will go over the SN2 mechanism (SN2 reaction). This is an important mechanism to master for any organic chemistry student. In this mechanism, a nucleophile will attack an electrophilic carbon from the side opposite of the leaving group. (180 degrees from the leaving group). This is called "back side attack". This reaction does not have a reactive intermediate but it does have a transition state. The transition state is that stage of the reaction where the chemical bond between the nucleophile and the electrophilic carbon is being formed and the chemical bond between the leaving group and the electrophilic carbon is being broken. The end result of this is the leaving group departs from the electrophilic carbon, taking its bond electrons with it, and the nucleophil forms a bond to the electrophilic carbon.
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This video is part of a series called How to be Successful in Organic Chemistry. In this series I go over numerous problems that a student could expect to see in there organic chemistry 1 course. Doing organic chemistry practice problems will make you more successful in organic chemistry and biochemistry.
I recommend that you download the problem from the link below and attempt the problem yourself and use this video to correct your work.
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The Mechanism of the SN1 Reaction Video! Help Me With Organic Chemistry!
This video will go over the SN1 mechanism. This is an important mechanism to master for any organic chemistry student. In this mechanism, an alkyl halide will be exposed to a polar protic solvent. This will allow the alkyl halide to enter into an equlibrium with its carbocation. Once the carbocation forms (the reactive intermediate) the polar protic solvent can attack the carbocation and form an ether.
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This video is part of a series called How to be Successful in Organic Chemistry. In this series I go over numerous problems that a student could expect to see in there organic chemistry 1 course. Doing organic chemistry practice problems will make you more successful in organic chemistry and biochemistry.
I recommend that you download the problem from the link below and attempt the problem yourself and use this video to correct your work.
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The Walden Inversion and the SN2 Mechanism. Help me with Organic Chemistry!
This video will explain why the SN2 mechanism results in the complete inversion of stereochemistry. (S to R or R to S). The Walden inversion occurs when a nucleophile attacks from the back side of an electrophilic carbon. As the nucleophile attacks the leaving group begins to leave. The nucleophile bond forms at the same rate the leaving group leaves. As a result of this the electrophilic carbon goes from a tetrahedral carbon to a trigonal bipyramid transition state back to a tetrahedral carbon.
Failing organic chemistry? You do not have to fail Organic Chemistry!
This video is part of a series called How to be Successful in Organic Chemistry. In this series I go over numerous problems that a student could expect to see in there organic chemistry 1 course. Doing organic chemistry practice problems will make you more successful in organic chemistry and biochemistry.
I recommend that you download the problem from the link below and attempt the problem yourself and use this video to correct your work.
Download the problem from this video at the following link:
https://www.dropbox.com/s/mmk12jyehkvcqn1/Why%20Does%20the%20Stereochemistry%20of%20an%20SN2%20Reaction%20Invert%3F%20%20Walden%20Inversion%3F.pdf?dl=0
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The Mechanism of an SN1 Reaction With a Rearrangement Video Help Me With Organic Chemistry!
If a reaction forms a carbocation a rearrangement is always a possibility. In the SN1 mechanism (SN1 Reaction) if a carbocation reactive intermediate has the potential to rearrange it will. A carbocation will rearrange from a cation with higher energy to a carbocation with lower potential energy. For example, a secondary carbocation will rearrange to a tertiary carbocation.
Failing organic chemistry? You do not have to fail Organic Chemistry!
This video is part of a series called How to be Successful in Organic Chemistry. In this series I go over numerous problems that a student could expect to see in there organic chemistry 1 course. Doing organic chemistry practice problems will make you more successful in organic chemistry and biochemistry.
I recommend that you download the problem from the link below and attempt the problem yourself and use this video to correct your work.
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https://www.dropbox.com/s/fwjyflmflyutpl6/The%20Mechanism%20of%20an%20SN1%20Reaction%20With%20a%20Rearrangement%20Video%20Help%20Me%20With%20Organic%20Chemistry%21.pdf?dl=0
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The Mechanism of an SN1 Reaction With a Ring Expansion Video Help Me With Organic Chemistry!
If a reaction forms a carbocation a rearrangement is always a possibility. A rearrangement could simply be a hydrid shift or it could involve a ring expansion. In this video I will show you how an SN1 reaction (SN1 mechanism) can result in a ring expansion.
Failing organic chemistry? You do not have to fail Organic Chemistry!
This video is part of a series called How to be Successful in Organic Chemistry. In this series I go over numerous problems that a student could expect to see in there organic chemistry 1 course. Doing organic chemistry practice problems will make you more successful in organic chemistry and biochemistry.
I recommend that you download the problem from the link below and attempt the problem yourself and use this video to correct your work.
Download the problem from this video at the following link:
https://www.dropbox.com/s/w50415zt1odj9ch/The%20Mechanism%20of%20an%20SN1%20Reaction%20With%20a%20Ring%20Expansion%20Video%20Help%20Me%20With%20Organic%20Chemistry%21.pdf?dl=0
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Why does an SN1 Reaction Form Racemic Products? The SN1 Mechanism. Help Me With Organic Chemistry!
If a chiral alkyl halide under goes an SN1 reaction it will deliver a racemic mixture of products. This video will explain how this occurs by drawing the mechanism of the SN1 reaction (SN1 mechanism) and examining the carbocation reactive intermediate. The carbocation intermediate has a trigional planer molecular shape. This means that nucleophilic approach can occur from the top or from the bottom. This results in both the R and S enantiomers forming and the product being racemic.
Failing organic chemistry? You do not have to fail Organic Chemistry!
This video is part of a series called How to be Successful in Organic Chemistry. In this series I go over numerous problems that a student could expect to see in there organic chemistry 1 course. Doing organic chemistry practice problems will make you more successful in organic chemistry and biochemistry.
I recommend that you download the problem from the link below and attempt the problem yourself and use this video to correct your work.
Download the problem from this video at the following link:
https://www.dropbox.com/s/pu7ejh26fv69a5o/The%20Stereochemistry%20of%20the%20SN1%20Reaction%20Why%20SN1%20Reactions%20Form%20Racemic%20Mixtures..pdf?dl=0
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Using Cahn Ingold Prelog Rules to Assign Priority For Multiple Bonds, Branched and Simple Groups
Assigning absolute stereochemistry (assign R or S) to a chiral center is an important skill that every organic chemistry student needs to master. Assign R or S involves assigning "priority" to each group bonded to the chiral center. In this video I will show you how to Cahn Ingold and Prelog Rules (CIP Rules) to assign priority to multiple bonds, branched hydrocarbons and normal hydrocarbons.
This video is part of a series called How to be Successful in Organic Chemistry. It this series I go over numerous problems that a student could expect to see in there organic chemistry 1 course. Doing organic chemistry practice problems will make you more successful in organic chemistry and biochemistry.
I recommend that you download the problem from the link below and attempt the problem yourself and use this video to correct your work.
Download the problem from this video at the following link:
https://www.dropbox.com/s/u3d8b46yh93u1mh/assign%20prioprity%20to%20branched%20vs%20unbranched%20to%20multiple%20bonds.pdf?dl=0
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Stereochemistry - Using CIP Rules to Assign Priority to Atoms Help Me With Organic Chemistry!
Assigning absolute stereochemistry (assign R or S) to a chiral center is an important skill that every organic chemistry student needs to master. Assign R or S involves assigning "priority" to each group bonded to the chiral center. In this video I will show you how to use Cahn Ingold and Prelog Rules (CIP Rules) to assign priority to single atoms bonded to a chiral center. Keep in mind it is not molar mass or atomic mass that dictates priority! What dictates priority is the atomic number of an atom!
This video is part of a series called How to be Successful in Organic Chemistry. It this series I go over numerous problems that a student could expect to see in there organic chemistry 1 course. Doing organic chemistry practice problems will make you more successful in organic chemistry and biochemistry.
I recommend that you download the problem from the link below and attempt the problem yourself and use this video to correct your work.
Download the problem from this video at the following link:
https://www.dropbox.com/s/y3vm2hir5j76i2/Assign%20Priorities%20of%20atoms.pdf?dl=0
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56
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Using Cahn Ingold Prelog Rules to Assigning R or S to Simple Chiral Molecules
Assigning absolute stereochemistry (assign R or S) to a chiral center is an important skill that every organic chemistry student needs to master. Assign R or S involves assigning "priority" to each group bonded to the chiral center. In this video I will show you how to use Cahn Ingold and Prelog Rules (CIP Rules) to assign R or S to a chiral center. Keep in mind it is not molar mass or atomic mass that dictates priority! What dictates priority is the atomic number of an atom!
This video is part of a series called How to be Successful in Organic Chemistry. It this series I go over numerous problems that a student could expect to see in there organic chemistry 1 course. Doing organic chemistry practice problems will make you more successful in organic chemistry and biochemistry.
I recommend that you download the problem from the link below and attempt the problem yourself and use this video to correct your work.
Download the problem from this video at the following link:
https://www.dropbox.com/s/p2k2sohp45ulo9r/Examples%20of%20assigning%20R%20or%20S.pdf?dl=0
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7
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Using Cahn Ingold Prelog Rules to Assigning R or S to a Molecule That Contains a Carbonyl
Assigning absolute stereochemistry (assign R or S) to a chiral center is an important skill that every organic chemistry student needs to master. Assign R or S involves assigning "priority" to each group bonded to the chiral center. In this video I will show you how to use Cahn Ingold and Prelog Rules (CIP Rules) to assign R or S to a more complicated chiral center. Keep in mind it is not molar mass or atomic mass that dictates priority! What dictates priority is the atomic number of an atom!
This video is part of a series called How to be Successful in Organic Chemistry. It this series I go over numerous problems that a student could expect to see in there organic chemistry 1 course. Doing organic chemistry practice problems will make you more successful in organic chemistry and biochemistry.
I recommend that you download the problem from the link below and attempt the problem yourself and use this video to correct your work.
Download the problem from this video at the following link:
https://www.dropbox.com/s/hi90ipfbgniwu8e/assigning%20R%20or%20S%20to%20a%20molecule.pdf?dl=0
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3
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Using CIP Rules to Assigning R or S to Chiral Center That is Connected to Groups With Multiple Bonds
Assigning absolute stereochemistry (assign R or S) to a chiral center is an important skill that every organic chemistry student needs to master. Assign R or S involves assigning "priority" to each group bonded to the chiral center. In this video I will show you how to use Cahn Ingold and Prelog Rules (CIP Rules) to assign R or S to a molecule that has numerous groups with multiple bonds connected to a chiral center. Keep in mind it is not molar mass or atomic mass that dictates priority! What dictates priority is the atomic number of an atom!
This video is part of a series called How to be Successful in Organic Chemistry. It this series I go over numerous problems that a student could expect to see in there organic chemistry 1 course. Doing organic chemistry practice problems will make you more successful in organic chemistry and biochemistry.
I recommend that you download the problem from the link below and attempt the problem yourself and use this video to correct your work.
Download the problem from this video at the following link:
https://www.dropbox.com/s/lxcqyiaxsuhkcn4/assigning%20R%20or%20S%20to%20a%20more%20complicated%20molecule.pdf?dl=0
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3
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Cahn Ingold Prelog Rules for Handling Groups Containing Double Bonds and Triple Bonds
Assigning absolute stereochemistry (assign R or S) to a chiral center is an important skill that every organic chemistry student needs to master. Assign R or S involves assigning "priority" to each group bonded to the chiral center. In this video I will show you how Cahn Ingold and Prelog Rules (CIP Rules) deal with assigning priority to groups that contain double bonds and triple bonds.
This video is part of a series called How to be Successful in Organic Chemistry. It this series I go over numerous problems that a student could expect to see in there organic chemistry 1 course. Doing organic chemistry practice problems will make you more successful in organic chemistry and biochemistry.
I recommend that you download the problem from the link below and attempt the problem yourself and use this video to correct your work.
Download the problem from this video at the following link:
https://www.dropbox.com/s/jfc8uk5cnsvkbw2/dealing%20with%20multiple%20bonds%20using%20cip.pdf?dl=0
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2
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Using Cahn Ingold Prelog Rules to Assigning R or S to Chiral Centers in a Fisher Projection
Assigning absolute stereochemistry (assign R or S) to a chiral center is an important skill that every organic chemistry student needs to master. Assign R or S involves assigning "priority" to each group bonded to the chiral center. In this video I will show you how to use Cahn Ingold and Prelog Rules (CIP Rules) to assign R or S to any chiral center in a Fisher Projection.
This video is part of a series called How to be Successful in Organic Chemistry. It this series I go over numerous problems that a student could expect to see in there organic chemistry 1 course. Doing organic chemistry practice problems will make you more successful in organic chemistry and biochemistry.
I recommend that you download the problem from the link below and attempt the problem yourself and use this video to correct your work.
Download the problem from this video at the following link:
https://www.dropbox.com/s/sv5t2upkd3om5cn/assigning%20R%20or%20S%20to%20a%20Fisher%20Projection.pdf?dl=0
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Drawing Enantiomers of a Chiral Molecule and Assigning R or S Using CIP Rules
An enantiomer is a chiral molecule whose mirror image is not superimposable. your hands for example are enantiomers to each other. In this video I will show you how draw the entaniomers of a chiral molecule and I will demonstrate how the absolute stereochemistry of one enantiomer is the opposite of the other enantiomer.
This video is part of a series called How to be Successful in Organic Chemistry. It this series I go over numerous problems that a student could expect to see in there organic chemistry 1 course. Doing organic chemistry practice problems will make you more successful in organic chemistry and biochemistry.
I recommend that you download the problem from the link below and attempt the problem yourself and use this video to correct your work.
Download the problem from this video at the following link:
https://www.dropbox.com/s/4vjsioldrmmk9eo/drawing%20enantiomers%20and%20assigning%20R%20or%20S.pdf?dl=0
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3
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How to Drawing the Enantiomers & Diastereomers of a Molecule Containing More Than One Chiral Center
An enantiomer is a chiral molecule whose mirror image is not superimposable. A diasteromer is a stereoisomer that is not an mirror image and is not superimposable. In this video I will show you how draw the entaniomers of a chiral molecule and I will demonstrate how the absolute stereochemistry of one enantiomer is the opposite of the other enantiomer. In this video I will also show you how to draw diastereomers and apply the 2 to the n rule to determine how many potential stereoisomers a molecue could have.
This video is part of a series called How to be Successful in Organic Chemistry. It this series I go over numerous problems that a student could expect to see in there organic chemistry 1 course. Doing organic chemistry practice problems will make you more successful in organic chemistry and biochemistry.
I recommend that you download the problem from the link below and attempt the problem yourself and use this video to correct your work.
Download the problem from this video at the following link:
https://www.dropbox.com/s/2ov85zp3d9c1123/drawing%20enantimoers%20and%20diastereomers.pdf?dl=0
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6
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How to Draw Enantiomers, Diastereomers & Meso Forms From a Molecule with More Than One Chiral Center
An enantiomer is a chiral molecule whose mirror image is not superimposable. A diasteromer is a stereoisomer that is not an mirror image and is not superimposable. A meso compound is a molecule that appears to have multiple chiral centers but also contains an internal mirror plane of symmetry. If you draw the mirror image of a meso compound you will be able to superimpose it onto the original molecule. In this video I will show you how draw the entaniomers of a chiral molecule and I will demonstrate how the absolute stereochemistry of one enantiomer is the opposite of the other enantiomer. In this video I will also show you how to draw diastereomers and apply the 2 to the n rule to determine how many potential stereoisomers a molecue could have. In this video I will also show you how to handle meso forms (meso compounds).
This video is part of a series called How to be Successful in Organic Chemistry. It this series I go over numerous problems that a student could expect to see in there organic chemistry 1 course. Doing organic chemistry practice problems will make you more successful in organic chemistry and biochemistry.
I recommend that you download the problem from the link below and attempt the problem yourself and use this video to correct your work.
Download the problem from this video at the following link:
https://www.dropbox.com/s/vincybwq1udfuql/drawing%20enantiomers%20and%20diastereomers%20with%20meso%20compound.pdf?dl=0
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17
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Hyperconjugation and the Stability of Carbocations - Help Me With Organic Chemistry!
This video is part of a series called How to be Successful in Organic Chemistry. It this series I go over numerous problems that a student could expect to see in there organic chemistry 1 course. Doing organic chemistry practice problems will make you more successful in organic chemistry and biochemistry.
I recommend that you download the problem from the link below and attempt the problem yourself and use this video to correct your work.
Download the problem from this video at the following link:
https://www.dropbox.com/s/dysuu3z8tegnoxk/hyperconjugation%20of%20a%20cation%20with%20qr%20code.pdf?dl=0
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The Inductive Effect and Carbocation Stability - Help Me With Organic Chemistry!
This video is part of a series called How to be Successful in Organic Chemistry. It this series I go over numerous problems that a student could expect to see in there organic chemistry 1 course. Doing organic chemistry practice problems will make you more successful in organic chemistry and biochemistry.
I recommend that you download the problem from the link below and attempt the problem yourself and use this video to correct your work.
Download the problem from this video at the following link:
https://www.dropbox.com/s/whlpt7qtxnmxpsk/reactive%20intermediates%20for%20recording%20induction%20with%20qr%20code%204.pdf?dl=0
Good Luck and Good Chemistry!
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Drawing Orbital Overlap Diagrams for Carbanions and Carbocations -Help Me With Organic Chemistry!
This video is part of a series called How to be Successful in Organic Chemistry. It this series I go over numerous problems that a student could expect to see in there organic chemistry 1 course. Doing organic chemistry practice problems will make you more successful in organic chemistry and biochemistry.
I recommend that you download the problem from the link below and attempt the problem yourself and use this video to correct your work.
Download the problem from this video at the following link:
https://www.dropbox.com/s/7azj5xxb6df29bb/orbitals%20of%20carbocations%20and%20carbanions%20with%20QR%20code.pdf?dl=0
Good Luck and Good Chemistry!
Please subscribe to my channel by clicking the link below!
https://www.youtube.com/c/AllInwithDrBetts?sub_conformation=1
Like this video and leave a comment below!
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