1.

A metalnitratereacts with Ki to give a balckprecipitatewhich on additionof excess of KIcovered to an orange colour solution .The cationof metalnitrate in

Answer»

`Hg^(2+)`
`Bi^(3+)`
`Pb^(2+)`
`CU^(o+)`

Solution :`Bi^(3+)3KI rarrunderset(Black)(BiI_(3) darr)+ 3K^(o+)`
`BiI_(3) +KI RARR underset("orange solution")(K[BiI_(4)])`


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