What happes when

n - butyl chloride is treated with alcoholic KOH.

bromobenzene is treated with Mg in the presence of dry ether.

Chlorobenzene is subjected to hydrolysis.

Ethyl chloride is treated with aqueous KOH

methyl bromide is treated with sodium in the presence of dry ether.

methyl chloride is treated with KCN ?

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Solution

But-1-ene formed as a result of dyhydrohalogenation

$C H_{3} - C H_{2} - C H_{2} n - b u t y l c h l o r i d e - C H_{2} - C l + K O H a l c . \to$
$C H_{3} - C H_{2} B u t - 1 - e n e - C H = C H_{2} + K C l + H_{2} O$

Phenyl magnesium bromide is formed.

Chlorobenzene does not react or hydrolysed by NaOH at normal condition.

Ethanol is formed.

$C H_{3} - C H_{2} E t h y l c h l r o r i d e - C l + K O H (a q) \to$
$C H_{3} - C H_{2} E t h a n o l - O H + K C l + H_{2} O$

$C H_{3} - B r + 2 N a + B r - C H 3 d r y . E t h e r - ----- \to C H_{3} - C H_{3} + 2 N a B r$

Cyano methane is formed

$C H_{3} - C l C h l o r o m e t h a n e (M e t h y l c h l o r i d e) + K C N \to C H_{3} - C \equiv N A c e t o n i t r i l e + K C l$

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Similar questions

How do you convert the following:

(i) Prop-1-ene to 1-fluoropropane

(ii) Chlorobenzene to 2-chlorotoluene

(iii) Ethanol to propanenitrile

What happens when

(i) n-butyl chloride is treated with alcoholic KOH?

(ii) 2, 4, 6-trinitrochlorobenzene is subjected to hydrolysis?

(iii) methyl chloride is treated with AgCN?

K O H

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