The ascending order of relative rate of solvo | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(A) The rate of solvolysis (which proceeds via an $S_{N}1$ mechanism) is directly proportional to the stability of the intermediate carbocation formed

Vedclass · Accepted Answer

$D < A < B < C$

Vedclass · Answer

(A) The rate of solvolysis (which proceeds via an $S_{N}1$ mechanism) is directly proportional to the stability of the intermediate carbocation formed after the departure of the leaving group (bromide ion).$1$. Compound $C$ forms a diphenylmethyl carbocation,which is highly stabilized by resonance with two phenyl rings.$2$. Compound $B$ forms a benzylic carbocation (specifically,a $1-$tetralyl type),which is stabilized by resonance with one benzene ring.$3$. Compound $A$ forms a tertiary carbocation in a cyclohexane ring,which is stabilized by inductive effects and hyperconjugation.$4$. Compound $D$ forms a secondary carbocation,which is the least stable among the given options.Thus,the stability order of the carbocations is $C > B > A > D$. Consequently,the ascending order of the rate of solvolysis is $D < A < B < C$.

The ascending order of relative rate of solvolysis of the following compounds is:

Similar Questions

The correct reactivity order of the following compounds towards alkaline hydrolysis is:-
$I. \ p-CH_3O-C_6H_4-CH_2Cl$
$II. \ C_6H_5-CH_2Cl$
$III. \ p-CH_3-C_6H_4-CH_2Cl$
$IV. \ m-CH_3-C_6H_4-CH_2Cl$

Tertiary alkyl halides are practically inert to $SN^2$ mechanism because of....

The following compound on hydrolysis in aqueous acetone will give:

Which of the following will give a white precipitate with $AgNO_3$?

Which of the following compounds would undergo $S_N1$ reaction faster and why?
$(A)$ Cyclohexylmethyl chloride
$(B)$ Benzyl chloride

Vedclass Test Series

Exam Paper Generator

Online Exam Module