1.

Assertion : HI cannot be prepared by the raction of KI with concentrated H_(2)SO_(4). Reason : HI has lowest H-X bond strength among halogen acids.

Answer»

Both assertion and REASON are correct STATEMENTS, and reason is the correct explanation of the assertion.
Both assertion and reason are correct statements, but reason is not the correct explanation of the assertion.
Assertion is correct, but reason is wrong statement.
Both assertion and reason are wrong statement.

Solution :Correct explanation. HI being a STRONG reducing agent REDUCES `H_(2)SO_(4)` to `SO_(2)` and itself gets oxidised to `I_(2) or H_(2)SO_(4)` being an oxidising agent oxidises HI to `I_(2)` .


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