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Question

The product formed when ethene gas reacts with water in the presence of sulphuric acid is :

A
ethanol
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B
ethanal
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C
ethanoic acid
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D
ethanoate
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Solution

The correct option is A ethanol
CH2=CH2+H2OCH3CH2OH
CH3CH2OHCH2=CH2+H2O
When ethene gas reacts with water it undergoes hydration to form ethyl alcohol. When this ethyl alcohol reacts with sulphuric acid it undergoes dehydration to form ethene again.

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