Which among the following reactions does not give methyl alcohol?

The reaction of ethylene with

H_{2} {S O}_{4}

80^{o} C

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The reaction of water gas with hydrogen at high temperature

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Alkaline hydrolysis of methyl bromide

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Both

A

and

B

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Solution

The correct option is C The reaction of ethylene with $H_{2} {S O}_{4}$ at $80^{o} C$
The reaction of ethylene with $H_{2} {S O}_{4}$ at $80^{o} C$ gives ethyl hydrogensulphate.
$C H_{2} = C H_{2} + H_{2} S O_{4} \to C H_{3} C H_{2} O S O_{2} O H$
Water gas (carbon monoxide and hydrogen) at high temperature gives methanol.
$C O + 2 H_{2} \to C H_{3} O H$ .
Alkaline hydrolysis of methyl bromide gives methanol
$C H_{3} B r + H_{2} O \to C H_{3} O H + H B r$

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