1.

Correct stability order of following carbocation :- (i)CH_3-O-overset(o+)CH_2 (ii)Ph-overset(o+)CH_2 (iii)CH_2=CH-overset(o+)CH_2 (iv)Ph^(o+)

Answer»

ii gt i gt III gt iv
i gt ii gt iii gt iv
iii gt i gt ii gt iv
iv gt i gt ii gt iii

Solution : (iii)`CH_2=CH-overset(o+)CH_2` RESONANCE STABILISED . 2 resonating structure
(iv)`Ph^(o+)` No. resonance of +ve charge
`THEREFORE` stability is (i) > (ii) > (iii) > (iv)


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