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A compound 'X' on heating with excess co...

A compound 'X' on heating with excess conc. Sulphuric acid at 443K gives an unsaturated compound 'Y'. 'X' also reacts with sodium metal to evolve a colourless gas 'Z'. Identify 'X', 'Y' and 'Z'. Write the equation of the chemical reaction of formation of 'Y' and also write the role of sulphuric acic in the reaction.

Text Solution

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X is `CH_(3)CH_(2)OH` (Ethanol).
Y is `CH_(2) = CH_(2)` (Ethene)
Z is `H_(2)` (Hydrogen gas) .
`underset("Ethanol")(CH_(3)CH_(2)OH)underset(underset("Dehydration")"443K")overset("Conc." H_(2)SO_(4))rarr underset("Ethene")(CH_(2)=CH_(2))+H_(2)O`
Concentrated sulphuric acid ats as a dehydrating agent
`2C_(2)H_(5)OH rarr 2C_(2)H_(5)ONa + underset(("Hydrogen gas")(Z))(H_(2))uarr`
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