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arrange the following free radicals in increasing order of stability

#Chemistry #Organic Chemistry

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Avik ·2010-01-17 07:36:22

5<3<1<2<4 ....

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Kaustab Sarkar ·2010-01-17 07:50:29

plzz explain....u r rit

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Avik ·2010-01-17 07:57:09

Dekho, 4 is the most stable, followed immediately by 2 ...as there is possibility of resonance of the free radical with the = bonds (allylic radicals).

5 - is least stable, as the aromaticity of benzene is being hindered.

Only, 1, 3 left.... So, here a secondary free radical is stabler than a secondary vinylic free radical => 1 stabler than 3.

Hence, the order.

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Kaustab Sarkar ·2010-01-18 03:13:08

thanks

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