Organic Compounds Containing Halogens Question 36

Question: The decreasing order of rate of $ S _{N}2 $ reaction is:

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Options:

A) IV > III > II > I

B) II > III > I > IV

C) II > I > IV > III

D) None of these

Show Answer

Answer:

Correct Answer: C

Solution:

[c] Here all the alky1 halides are primary so here order rate of $ S _{N}2 $ reaction is not on the basis of hinderance. In this-I group attached will increase the rate of $ S _{N}2 $ reaction and +I group attached will decrease.