question_answer

\[C{{H}_{3}}Br+N{{u}^{-}}\to C{{H}_{3}}-Nu+B{{r}^{-}}\] The decreasing order of the rate of the above reaction with nucleophiles \[(N{{u}^{-}})A\] to IV is \[[N{{u}^{-}}=(A)\,Ph{{O}^{-}},\,(B)\,Ac{{O}^{-}},\,(C)\,H{{O}^{-}},\,(D)\,C{{H}_{3}}{{O}^{-}}]\]     AIEEE  Solved  Paper-2006

A) \[D>C>A<B\]

B) \[D>C>B>A\]

C)                        \[A>B>C>D\]

D)        \[B>D>C>A\]

Correct Answer: A

Solution :

Nudeophilicity order is