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Name the compound formed where ethanol i...

Name the compound formed where ethanol is heated is excess of concentrated sulphuric acid at 443 K. Also write the chemical equation of the reaction stating the role of concentrated sulphuric acid in it. What would happen if hydrogen is added to the product of this reaction in the presence of a catalyst such as potassium or nickel?

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(i) Ethene
(ii) `C_(2)H_(5)OHoverset(Conc.H_(2)SO_(4)+Heat)underset"443K"rightarrowunderset"Ethene"(H_(2))C=CH_(2)+H_(2)O`
(ii) Conc. `H_(2)SO_(4)` acts as a dehydrating agent/removes water from the reactant.
(iv) Ethane`//C_(2)H_(6)` will be formed.
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