1.

The maximum ease of abstraction of a hydrogen atom by a chlorine atom is shown by

Answer»

`(CH_(3))_(3)C - CH_(3)`
`(CH_(3))_(3) CH`
`(C_(6) H_(5))_(3) CH`
`(CH_(3))_(2) CH_2`

Solution :The more stable the RADICAL the more EASILY it is formed . Now the ORDER of stability of free radicals decreases in the order :
`(C_6 H_5)_3 overset(*)(C) gt (CH_3)_(3) overset(*)(C) gt (CH_3)_3 overset(*)(C)CH_2 gt (CH_(3) )_(2) overset(*)(C)H`, therefore , H-atom is most easily abstracted from `(C_6 H_5)_3 overset(*)(C)`.


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