JEE Main Chemistry question

Arrange the carbocations (1) diphenylmethyl cation, (2) benzyl cation, (3) allyl cation, (4) cycloheptatrienyl (tropylium) cation in decreasing order of stability.

(A)1 > 4 > 2 > 3
(B)1 > 2 > 4 > 3
(C)4 > 1 > 2 > 3Correct
(D)1 > 3 > 4 > 2

Answer: (C)

Solution

Tropylium is an aromatic (6π, Hückel) cation, generally regarded as more stable than non-aromatic, resonance-stabilized benzylic-type cations; allyl

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-139441