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which is more stable and why ? plz explain.

(CD3)3C+ OR (CH3)3C+

tandrila das , 16 Years ago
Grade Upto college level
anser 1 Answers
Askiitians Expert Himanshu Geed - IIT Delhi



Dear Tandrila,

Books like Morrison Boyd have shown that breaking a C-D bond is 7 times tougher than breaking a C-H bond. These are experimental results.

The stability of the carbocation depends on the hyperconjugation effect in both the compounds. Since, it's harder for (CD3)3C+ to show hyperconjugation than  (CH3)3C+ . So the second compound will be more stable than the first one.


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Himanshu Geed

Last Activity: 16 Years ago
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