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Chapter 11: 41aE (page 350)

Which compound in each of the following pairs will react faster in anSN2reaction withOH-?

CH3Br鈥�or鈥�CH3I

Short Answer

Expert verified

a.鈥�CH3I

Step by step solution

01

SN2reaction

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

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

02

Nucleophile

NucleophilesNucleophile are 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.

鈥凛贬3滨鈥嬧赌剆丑辞飞蝉鈥刦补蝉迟鈥剅别补肠迟颈辞苍鈥则丑补苍颁贬3Br

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Most popular questions from this chapter

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

b.

What effect would you expect the following changes to have on the rate of the reaction of ethanol with 2-iodo-2-methyl butane?

(b) The concentration of the ethanol is halved by adding diethyl ether as an inert solvent.

Which reaction in each of the following pairs would you expect to be faster?

(a) TheSN2displacement byI-鈥�on鈥�CH3Cl鈥�or鈥�CH3OTs

Question: Arrange the carbocations below, in order of increasing stability:

b.

Question: Arrange the carbocations below in order of increasing stability.

a.
See all solutions

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