1.

A metal gives two different chlorides 'A' and 'B'. The chloride 'A' gives a white precipitate with NH_(4)OH solutionwhile 'B' gives a black precipitate. With KI solution, 'A' gives a red precipitate which dissolves in excess of KI solution. The two chlorides are :

Answer»

`HgCl_(2)" and "HgCl`
`HgCl_(2)" and "Hg_(2)Cl_(2)`
`Hg_(2)Cl_(2)" and "HgCl_(2)`
NONE of these.

Solution :(b) 'A' is `HgCl_(2)` and 'B' is `Hg_(2)Cl_(2)`


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