1.

Hl cannot be prepared by the action of conc. H_(2)SO_(4) on Kl because

Answer»

HI is a stronger acid than `H_(2)SO_(4)`
HL is more VOLATILE than `H_(2)SO_(4)`
conc. `H_(2)SO_(4)` is an oxidant and HI is a reductant.
conc. `H_(2)SO_(4)` is a dehydrating agent.

ANSWER :C


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