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tandrila das Grade: Upto college level

which is more stable and why ? plz explain.

(CD3)3C+       OR         (CH3)3C+

8 years ago

Answers : (1)

Askiitians Expert Himanshu Geed - IIT Delhi
31 Points

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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Askiitians Experts

Himanshu Geed

8 years ago
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