Question

A compound ‘X’ on heating with excess conc. sulphuric acid at 443 K 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 acid in the reaction.

Answer in French language​

Answer 1

X-éthanol / (C2H5OH) / alcool éthylique

Y-éthène / (C2H4)

Z- Hydrogène / (H2)

Rôle de l'acide sulfurique - agent déshydratant

Answer 2

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X-éthanol / (C2H5OH) / alcool éthylique

Y-éthène / (C2H4)

Z- Hydrogène / (H2)

Rôle de l'acide sulfurique - agent déshydratant