Q.
Stabitlity of carbocation depends various electronic effects. Least stable carbocation among the following is
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a
O2N−C+H2
b
OHC−C+H2
c
H3CO−C+H2
d
H3C−C+H2
answer is A.
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Detailed Solution
1)Electron withdrawing power of −NO2>−CHO EWG ↓ the stability of carbocation by intensifying the positive charge2)Electron donating power of −OCH3>−CH3 EDG ↑ the stability of carbocation by dispersing the positive charge∴ Stability of 1 < 2 < 4 < 3
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