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Standard XII

Chemistry

Oxides of Sulphur

A certain com...

Question

A certain compound on burning in air forms three oxides. One of the oxides turned lime water milky, the other turned anhydrous $C u S O_{4}$ blue and third formed a solution of $p H = 9$ . Compound is formed of :

S, N

and

H

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S, N

and

C

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S, C

and

H

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S, H

and

N a

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Solution

The correct option is D $S, H$ and $N a$
Compound is a form of $S, H$ and $N a$ as $S O_{2}$ reacts with lime water and make it milky.
Water reacts with anhydrous $C u S O_{4}$ and turn it blue.
The reaction is $C u S O_{4} + H_{2} O \to C u S O_{4} .5 H_{2} O$ .
And sodium oxide is a simple strongly basic oxide. It is basic because it contains the oxide ion, $O^{2 -}$ , which is a very strong base with a high tendency to combine with hydrogen ions.

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A certain compound on burning in air forms three oxides. One of the oxides turned lime water milky, the other turned anhydrous CuSO4 blue and third formed a solution of pH=9. Compound is formed of :

A certain compound on burning in air forms three oxides. One of the oxides turned lime water milky, the other turned anhydrous $C u S O_{4}$ blue and third formed a solution of $p H = 9$ . Compound is formed of :