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

Good Luck and Good Chemistry!

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