During preparation of ethene by ethanol, the substances which acts as dehydrating agents are :

c o n c . H_{2} S O_{4}, A l_{2} O_{3}

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c o n c H N O_{3}, C a C l_{2}

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C u C l_{2}

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both B and C

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Solution

The correct option is A $c o n c . H_{2} S O_{4}, A l_{2} O_{3}$
During preparation of ethene by ethanol, conc. $H_{2} S O_{4} a n d A l_{2} O_{3}$ act as dehydrating agents.

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During preparation of ethene by ethanol, the substances which acts as dehydrating agents are :

The correct option is A conc.H2SO4,Al2O3During preparation of ethene by ethanol, conc. H2SO4andAl2O3 act as dehydrating agents.

The correct option is A $c o n c . H_{2} S O_{4}, A l_{2} O_{3}$
During preparation of ethene by ethanol, conc. $H_{2} S O_{4} a n d A l_{2} O_{3}$ act as dehydrating agents.