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  • Given below are two statements : Statement I : Hyperconjugation is a permanent effect. Statement II : Hyperconjugation in ethyl cation <img alt="\left(\mathrm{CH}_{3}-\overset{+}{\mathrm{C}}\mathrm{H}_{2}\right)

Given below are two statements :
Statement I : Hyperconjugation is a permanent effect. Statement II : Hyperconjugation in ethyl cation \left(\mathrm{CH}_{3}-\overset{+}{\mathrm{C}}\mathrm{H}_{2}\right) involves the overlapping of \mathrm{C}_{\mathrm{sp}^{2}}-\mathrm{H}_{\mathrm{1s}} bond with empty 2 \mathrm{p} orbital of other carbon.
Choose the correct option :
 
Option: 1 Both statement I and statement II are false
Option: 2 Statement I is incorrect but statement II is true
Option: 3 Statement I is correct but statement II is false
Option: 4 Both Statement I and statement II are true.

Answers (1)

best_answer

Hyperconjugation is a permanent effect.

In the ethyl cation, hyperconjugation involves overlapping of \mathrm{C_{s p 3}-H_{1 s}} orbital with vacant p-orbital of the carbocation.

Thus, statement I is true while statement II is false.

Hence, the correct answer is option (3).

Posted by

vishal kumar

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