Question

A compoundxonheatingwithexcess conc sulpheric acid at 443 k gives an unsaturated y ,x also react with sodiummetal to evolve a colourlessgas z identifyx y z and write chemical balanced equation

Answer 1

At around 383 K when ethanol is heated with conc. H2SO4 it gives displacement reaction and forms C2H5HSO4 ethyl bisulphate. At around 413, ethanol goes dehydrated forming di ethyl ether.

At around 443 K ethanol goes intermolecular dehydration forming ethylene CH2=CH2.