In preparation of alkene from alcohol using Al _2 O _3 which is effective factor : -

NEET 2001 Chemistry question

In preparation of alkene from alcohol using which is effective factor : -

(1)Porousity of
(2)TemperatureCorrect
(3)Concentration
(4)Surface area of

Answer: (2)

Solution

Passing alcohol vapour over alumina () at about 620-630 K dehydrates it to the alkene: . The reaction is endothermic and elimination competes with ether formation (which

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Question ID VK-088795