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Increasing rate of SN1 reaction in the following compounds is :

(a)

(B)<(A)<(C)<(D)

(b)

(A)<(B)<(D)<(C)

(c)

(B)<(A)<(D)<(C)

(d)

(A)<(B)<(C)<(D)


Question ID - 52718 | Toppr Answer

Increasing rate of SN1 reaction in the following compounds is :

(a)

(B)<(A)<(C)<(D)

(b)

(A)<(B)<(D)<(C)

(c)

(B)<(A)<(D)<(C)

(d)

(A)<(B)<(C)<(D)

1 Answer - 5876 Votes

3537

Answer Key : (a) -

The rate of SN1 is decided by the stability of carbocation formed in the rate determining step.

 

Carbocation (D) is most stable due to +R effect of CH30 group, (C) is stabilized by +I and +H effect of CH3 group; (B) is least stable due to –I effect of Me0 group. So increasing order of rate od sN1 is (B)<(A)<(C)<(D)



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