STANDARDChemistry-Organic Chemistry
STANDARD Chemistry Carbocations MCQ Question
Type: MCQ-conceptual-Medium
Among the following carbocations: (I) Ph₃CCH₂Me (II) PhCH₂CH₂CHPh (III) Ph₂CHCH₂Me (IV) Ph₂C(Me)CH₂ The order of stability is
A
IV > II > I > III
B
I > II > III > IV
C
II > I > IV > III
D
I > IV > III > II
Correct Answer
Option B
Detailed Explanation
The stability of carbocations is influenced by hyperconjugation and resonance. The triphenylmethyl carbocation (I) is the most stable due to resonance stabilization by three phenyl groups. The order is I > II > III > IV.
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