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Discuss the acidic dehydration of alcoho...

Discuss the acidic dehydration of alcohols at different temperatures.

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(a) When alcohols are heated with a protomic acid such as conc . `H_(2)SO_(4)orH_(3)PO_(4)at443`K, they get dehydration to form alkenes .For example ,

The relative case of dehydration of alcohols follows the order . `1^(@)` alcohol `lt2^(@)` alcohol `lt3^(@)` alcohol .
(b) When excess of an alcohol is heated with conc `H_(2)SO_(4)` at 413 K , ether is the main product .For example ,
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