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The increasing order of stability of the...

The increasing order of stability of the following free radicals is:

A

`(CH_(3))_(2)dotCHlt(CH_(3))_(3)dotClt(C_(6)H_(5))_(3)dotClt(C_(6)H_(5))_(2)dotCH`

B

`(C_(6)H_(5))_(2)dotCHlt(C_(6)H_(5))_(3)dotClt(CH_(3))_(3)dotClt(CH_(3))_(2)dotCH`

C

`(C_(6)H_(5))_(3)dotClt(C_(6)H_(5))_(2)dotCHlt(CH_(3))_(3)dotClt(CH_(3))_(2)dotCH`

D

`(CH_(3))_(2)dotCHlt(CH_(3))_(3)dotC(C_(6)H_(5))_(2)dotCHlt(C_(6)H_(5))_(3)dotC`

Text Solution

Verified by Experts

The correct Answer is:
D
Larger the number of phenyl groups linked to a free radical. More the number of resonating structure and greater is the stability of free radical thus the correct order for the stability a free radicals is
`(CH_(3))_(2)dotCH lt (CH_(3))_(3)dotC lt (C_(6)H_(5))_(2)dotCH(C_(6)H_(5))_(3)dotC`
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