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Question

The reaction of ethanol with conc H2SO4 gives ethane.

A
True
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B
False
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Solution

The correct option is B False
The dehydration of ethanol to give ethene not ethane.
Ethanol is heated with an excess of concentrated sulphuric acid (act as a catalyst) at a temperature of 170C. The gases produced are passed through sodium hydroxide solution to remove the carbon dioxide and sulphur dioxide produced from side reactions.The ethene is collected over water.
CH3CH2OH H2SO4 CH2=CH2 + H2O
Option B is correct.

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