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The hyperconjugative stabilities of tert...

The hyperconjugative stabilities of tert-butyl cation and `2`-butene, respectively, are due to

A

`sigma rarr p` (empty) and `sigma rarr pi^(**)` electron delocalisations

B

`sigma rarr sigma^(**)` and `sigma rarr pi` electron delocalisations

C

`sigma rarr p` (filled) and `sigma rarr pi` electron delocalisations

D

`p`(filled) `rarr sigma^(**)` and `sigma rarr pi^(**)` electrons delocalisations

Text Solution

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The correct Answer is:
A
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|| Hyperconjugation revision || stability comparison OF alkene and carbocation ||

(A) tert-Butyl methyl ether on cleavage with HI at 373K gives tert-butyl iodide and methanol. (R ) The reaction occurs by S_(N^(2)) mechanism.