Q. 34.3( 63 Votes )

A compound ‘X’ on

Answer :

A compound X reacts with concentrated sulphuric acid at 443K to form an unsaturated compound Y. The reaction is –



Further X reacts with sodium metal to evolve a colourless gas Z



Here Z is hydrogen gas(H2)


Y is an unsaturated compound formed by reaction of X and conc. H2SO4. Hence, H2SO4 is acting as a dehydrating agent here .


X is Ethyl alcohol (C2H5-OH) and Y is an unsaturated hydrocarbon. Y is ethene(C2H4).


X-C2H5-OH/Ethanol/Ethyl alcohol


Y-C2H/ Ethene


Z-H2/ Hydrogen


Equation:



Role of Sulphuric acid:
It is used as a dehydrating agent.

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