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Zinc Ion

Which pair of...

Question

Which pair of ions listed below will form a precipitate when mixed together in aqueous solution?

A

N a^{+}

and

{C_{2} O_{4}}^{2 -}

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B

A g^{+}

and

{N O_{3}}^{-}

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C

P b^{2 +}

and

C l^{-}

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D

None of the above

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Solution

The correct option is B $P b^{2 +}$ and $C l^{-}$
Option C is the correct answer.
${P b}^{2 +}$ and ${C l}^{-}$ when mixed together form $P b {C l}_{2}$ . It is insoluble in water and forms a white precipitate.

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