The temperature required for the dehydration of alcohol to get alkene by using ${A l}_{2} O_{3}$ is :

110^{0} C

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170^{0} C

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250^{0} C

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350^{0} C

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Solution

The correct option is D $350^{0} C$
Dehydration of alcohols is done in presence of alumina at $350^{0} - 400^{0}$ .

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