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Chapter 9: Q21P (page 412)

Which of the following reactions take place more rapidly when the concentration of the nucleophile is increased?

Short Answer

Expert verified

Here we have to find out which reaction takes place more raplidly when the concentration of the nucleophile is increased:

Reaction A will takes place more raplidly when the concentration of the nucleophile is increased.

Step by step solution

01

How the reaction will proceed

A and B undergo SN2 mechanism and C undergoes SN1mechanism and the rate of reaction in SN2 reaction is directly proportional to concentration of nucleophile.

As CH3S- is strong nucleophile than CH3O- then A reaction will takes place more raplidly when the concentration of the nucleophile is increased.

02

How SN2 reaction proceed

1. It is one step reaction.

2. In this nucleophile attacks the back side of the carbon.

3. In this one intermediate stage is formed.

4. In intermediate stage one group is leaving group and one group is attacking group.

5. In this inversion of reaction takes place.

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