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Reaction with Metal Salts

The salt whic...

Question

The salt which gives a dirty green precipitate with $N a O H$ solution and a white ppt. with $B a C l_{2}$ solution is:

A

iron [III] sulphate

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B

iron [II]sulphate

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C

iron [II] chloride

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D

iron [III] chloride

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Solution

The correct option is A iron [II]sulphate
Ferrous sulphate reacts with $N a O H$ and gives green ppt of $F e (O H)_{2}$
$F e S O_{4} + 2 N a O H \to F e (O H)_{2} + N a_{2} S O_{4}$
Ferrous sulphate reacts with $B a C l_{2}$ and gives white color barium sulphate $p p t$
$B a C l_{2} + F e S O_{4} \to B a S O_{4} + F e C l_{2}$

Hence option B is correct.

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