Question

convert ethanol to ethene reaction​

Answer 1

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Dehydration with conc. H2SO4

When concentrated sulphuric acid is added to Ethyl alcohol and the mixture is heated upto 170°C, it causes dehydration of Ethyl alcohol to give ethene.

C2H5OH → C2H4 +H2O.

Ethanol can also be dehydrated by Al2O3 at 350°C.

C2H5OH →C2H4+H20.