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Dehydration of Alcohols

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Question

What is the major product when ethanol is treated with $c o n c . H_{2} S O_{4}$ at $413 K$ ?

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Solution

Ethylene is the major product when ethanol is treated with conc. $H_{2} S O_{4}$ at $413$ K.
$C H_{3} - C H_{2} - O H c o n c H_{2} S O_{4} - ------ \to 413 K C H_{2} = C H_{2} + H_{2} O$
This is an example of dehydration reaction. A molecule of water is eliminated.

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