Answer to Question #204992 in Organic Chemistry for mlindi

Question

 Which of the following species can react as a nucleophile to react in an SN1-type reaction?  (1) (CH3)2C=O (2) H2O (3) CN- (4) CH3Cl 

Answer 1

The rate of SN1 reaction depends upon the stability of carbocation intermediate formed during the reaction.

Now among the above species the highest stablise species is CN molecule so only that will react faster among the following.