Question

Which one of the following compounds is most rapidly hydrolysed by SN1 mechanism?

Solution

Correct option is

 

Carbocations given above are the intermediates of SN1 reaction. 

Stability is in order I < II < III < IV. IV is stabilised to maximum extent due to resonance.  

SIMILAR QUESTIONS

Q1

p-cresol reacts with chloroform in alkaline medium to give the compoundA which adds hydrogen cyanide to form the compound B. The latter on acidic hydrolysis gives chiral carboxylic acid C which is 

Q2

Consider the following reaction

Choose the correct statement

Q3

Which of the following carboxylic acids undergoes decarboxylation easily?

Q4

End product of the following reaction is

Q5

In the reaction,

The product A is

Q6

Product obtained when benzoyl acetic acid is heated, is

Q7

Which separates by sulphonation?

Q8

 

  

The same reaction takes place with which one of the following aldehydes?

Q9

Saponification of an ester (A) followed by neutralisation gives a compound (B), which gives violet coloration with FeCl3. The ester (A) is

Q10

Consider the following reaction

A contains benzene ring. Select the correct statement(s) about 1B and X