A mixture of two salts is used to prepare a solution $S$ , which gives the following results: The correct option(s) for the salt mixture is(are)

P b (N O_{3})_{2}

and

Z n (N O_{3})_{2}

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P b (N O_{3})_{2}

and

B i (N O_{3})_{3}

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A g (N O_{3})

and

B i (N O_{3})_{3}

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P b (N O_{3})_{2}

and

H g (N O_{3})_{2}

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Solution

The correct option is C $A g (N O_{3})$ and $B i (N O_{3})_{3}$
$P b (O H)_{2}, Z n (O H)_{2}$ and $B i (O H)_{3}$ are white precipitates but $H g (O H)_{2}$ (unstable) is not.
$P b C l_{2}$ is white $p p t$ .
So, option (A), (B) and (C) are correct.

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