Q.

Sulphur dioxide is obtained by the action of dilute H2SO4 on:

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a

Copper turning

b

Sodium sulphate

c

Sodium sulphite

d

Sodium sulphide

answer is C.

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Detailed Solution

Na2SO3 +H2SO4→dilNa2SO4+SO2+2H2O or SO32−+2H⊕⟶SO2+H2O
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