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Double Displacement Reaction

When zinc sul...

Question

When zinc sulphate reacts with sodium hydroxide, it gives:

A

Z n

metal

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B

Z n (O H)_{2}

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C

Z n O H

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D

O_{2}

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Solution

The correct option is D $Z n (O H)_{2}$
Certain basic hydroxides can be obtained through precipitation of the hydroxides, by treating aqueous solutions of certain salts, with other stronger bases.
$Z n S O_{4} + 2 N a O H \to N a_{2} S O_{4} + Z n (O H)_{2}$

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