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Oxidation States

A white salt ...

Question

A white salt (X) reacts with an aqueous solutions of $B a C l_{2}$ to form a white precipilate The salt X can be :

A

C u S O_{4}

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B

washing soda

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C

chile salt petre

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D

N a_{2} S_{2} O_{3} 5 H_{2} O

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Solution

The correct option is A $C u S O_{4}$
Reaction:
$C u S O_{4} + B a C l_{2} \to B a S O_{4}$
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