1.

In S_(N^(2)) reactions, the correct order of reactivity for the compounds CH_(3)Cl,CH_(3)CH_(2)Cl,(CH_(3))_(2)CHCl and (CH_(3))_(3)C Cl is:

Answer»

`CH_(3)Cl gt (CH_(3))_(2) CHCL gt CH_(3)CH_(2)Cl gt (CH_(3))_(3) C Cl`
`CH_(3)Cl gt CH_(3)CH_(2)Cl gt (CH_(3))_(2)CHCl gt (CH_(3))_(3) C Cl`
`CH_(3)CH_(2)Cl gt CH_(3)Cl gt (CH_(3))_(2)CHCl gt (CH_(3))_(3)C Cl`
`(CH_(3))_(2) CHCl gt CH_(3)CH_(2) Cl gt C H_(3)Cl gt (CH_(3))_(3)C Cl`

Solution :It is an example of `S_(N^(2))` REACTION. The order of reactivity is inversely proportional to the STERIC hindrance offered by the alkyl groups.


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