Question

The correct order of stability of given carbocation is

• A. C > A > D > B
• B. D > B > C > A
• C. A > C > B > D
• D. D > B > A > C

Answer 1

The correct option is C A > C > B > D

Order of electronegativity on hybridised carbons,
$sp>s{p}^2>s{p}^3$

Thus, order of stability of positive charge on hybridised carbon,
$s{p}^3>s{p}^2>sp\left(\text{least stable}\right)$

Positive charge on compound A is stabilised by resonance effect of benzene ring.

Order of stability of carbocation is