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Which of the following is industrially prepared by passing ethylene into hypochlorous acid followed by sodium bicarbonate .

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Ethylene dinitrate

Ethylene glycol

Ethylene oxide

Ethane

answer is D.

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Detailed Solution

Industrial Preparation of Ethanol

Step 1: Starting Material

Ethylene (CH₂=CH₂) is reacted with hypochlorous acid (HOCl).

Step 2: Formation of Chlorohydrin

CH₂=CH₂ + HOCl → CH₂Cl–CH₂OH

This forms 2-chloroethanol (chlorohydrin).

Step 3: Conversion to Ethanol

CH₂Cl–CH₂OH + NaHCO₃ → CH₃–CH₂OH

The chlorine atom is replaced by –OH to give ethanol.

Industrial preparation of ethanol from ethylene uses HOCl and NaHCO₃.

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