1.

HI cannot be prepared by adding conc. H_(2) SO_(4) to iodides because

Answer»

HI is a stronger ACID than `H_(2) SO_(4)`
`H_(2) SO_(4)` is a stronger acid than HI
`H_(2) SO_(4)` is a stronger OXIDISING agent than `I_(2)`
HI is a strong reducing agent

Solution :`H_(2) SO_(4)` in a stronger oxidising agent than `I_(2)`, HI is a strong reducing agent.


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