Carbocation as an intermediate is likely to be formed in the reaction :

Acetone

+ H C N - O H - -- \to

acetonecyanohydrin

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Hexane

a n h y . A l {C l}_{3} / H C l - --------- \to

2-methyl pentane

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Propene

+ {C l}_{2} h v - \to

2-chloropropane

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Ethylbromide

+ a q . K O H Δ - \to

ethyl alcohol

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Solution

The correct option is A Hexane $a n h y . A l {C l}_{3} / H C l - --------- \to$ 2-methyl pentane
Carbocation intermediate is formed in the reaction :

$H e x a n e a n h y A l C l_{3} / H C l - --------- \to 2 - m e t h y l p e n t a n e$

Hexane on reaction with anhy. $A l C l_{3}$ undergoes rearrangement reaction forming a secondary carbocation which ultimately forms 2-methyl pentane.

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S_{N} 1

Nonane is a hydrocarbon which is isomeric with 2-methyl-3-ethyl hexane.

E t h y l^{(-)} < M e t h y l^{(-)}

E t h y l^{.} > M e t h y l^{.}

C_{6} H_{5} C O O C_{2} H_{5} + C H_{3} M g B r (e x c e s s) D i e t h y l e t h e r ⟶ H_{3} O^{+} ⟶

(H B F_{4})

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