1.

Which of the following can’t be an example of an S_(N)2 reaction?

Answer»

`CH_(3)- CH_(2) - OH overset(-H_(2)O)(rarr) CH_(2) = CH_(2)` <BR>`(CH_(3))_(2) "CHBr" overset(OH^(-))(rarr) (CH_(3))_(2) CH - OH + Br^(-)`
`CH_(3) Br overset(OH^(-))(rarr) CH_(3)OH + Br^(-)`
`(CH_(3))_(3) C - Br overset(OH^(-))(rarr) C-OH + OH^(-)`

ANSWER :A


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