Question

Please answer it quickly

Answer 1

X --> ethanol(c2h5oh)

Y--> ethene(ch2=ch2)

Z --> hydrogen (h2)

c2h5oh ---(in the presence of conc. h2so4 in 443k )--->ch2=ch2 + h2o

sulphuric acid acts as a dehydrating agent in the reaction

Answer 2

HEYA MATE !

When ethanol i.e., C2H5OH reacts with not conc. H2SO4 it gives C2H4 + H2O.

Hence,X is ethanol

Y is ethene.

C2H5OH WITH CONC. H2SO4 --> C2H4 + H2O.

Role of H2SO4 is the dehydration of ethanol to ethene.

Now,When X reacts with Na

i.e., C2H5OH + Na --> C2H5ONa + H2

hence,Z is hydrogen.

hope it helps

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