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Chapter 11: 43bE (page 350)

What effect would you expect the following changes to have on the rate of thereaction of 1-iodo-2-methylbutane with cyanide ion?

(b) Both theand the 1-iodo-2-methylbutane concentrations are tripled.

Short Answer

Expert verified

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

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

Step by step solution

01

SN2reaction

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

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

02

Rate of the reaction

InSN2rate of the reaction depend on the reacting species and nucleophile.

Hence, triple the concentration of cyanide ion and the concentration of 1iodo2methyl butane. The net rate of the reaction becomes nine-foldandincreases by nine times. Hence, the reaction becomes very fast.

R​ = KR.SN= K 33=9K

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Most popular questions from this chapter

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How might you prepare each of the following molecules using a nucleophilic substitution reaction at some step?

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