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Types of Crystalline Solids

Which reactio...

Question

Which reaction between ions does not form a precipitate?

A

A g^{+}

and

C l^{-}

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B

P b^{2 +}

and

2 I^{-}

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C

C a^{2 +}

and

C O_{3}^{2 -}

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D

H g^{2 +}

and

2 B r^{-}

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E

N a^{+}

and

O H^{-}

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Solution

The correct option is E $N a^{+}$ and $O H^{-}$
The reaction between $N a^{+}$ ions and $O H^{-}$ ions does not form a precipitate. $N a O H$ is highly water soluble.

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