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QJEEM22Ch92c0: JEE Main 2022 Chemistry - Class 11 JEEM22Ch92c0 Solution: Arrange the following carbocations in decreasing order of…
Arrange the following carbocations in decreasing order of stability.
Multiple Choice Options
- A B > A > C
- B A > B > C
- C C > B > A
- D C > A > B
Step-by-Step Verified Solution
The given carbocations are
Carbocation (A) is stabilised by hyperconjugation due to hydrogen atoms. Carbocation (C) is also stabilised by hyperconjugation due to 4 a hydrogen atoms but destabilised by effect of O-atom. Carbocation (B) is most stable as it is stabilised by resonance.
Correct decreasing order of stability is \text { B }>\text { A }>\text { C }
Carbocation (A) is stabilised by hyperconjugation due to hydrogen atoms. Carbocation (C) is also stabilised by hyperconjugation due to 4 a hydrogen atoms but destabilised by effect of O-atom. Carbocation (B) is most stable as it is stabilised by resonance.
Correct decreasing order of stability is \text { B }>\text { A }>\text { C }