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Chapter 11: Q 11-11-41 E-a (page 350)

Which compound in each of the following pairs will react faster in an SN2reaction with?

a) CH3Br or CH3I

Short Answer

Expert verified

CH3I

Step by step solution

01

SN2 reaction

It is a nucleophilic substitution reaction in which old bond breaks and new bond is formed both the process occur simultaneously. Hence, it’s a single step reaction.

The two reacting species are involved in the rate determining steps.

02

Nucleophile 

Nucleophilesare negatively charged ions or the neutral species having the lone pair of electrons which are ready for bonding.

03

Species react faster with OH+

If the species is a better leaving group then it react faster with the nucleophile

I is a better leaving group than Br due to its large size the bond of C-I is weak than C-Br bond so C-I bond get easily break and nucleophilic substitution takes place.

CH3I show fast reaction than CH3Br.

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Most popular questions from this chapter

Question: Order each of the following sets of compounds with respect to reactivity:

b.

Draw the structure and assign Z or E stereochemistry to the product you expect from E2 reaction of the following molecule with NaOH (green = Cl):

Question: The reactions shown below are unlikely to occur as written. Tell what is wrong with each, and predict the actual product.

b.

Question: Propose structures for compounds that fit the following descriptions:

(c) An alkyl halide that gives the non-Zaitsev product onreaction

Assign R or S configuration to the following molecule, write the product you would expect from SN2reaction with NaCN, and assign R or S configuration to the product (green = Cl):
See all solutions

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