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Preparations and Reactions of Sodium Oxide

A white solid...

Question

A white solid is either $N a_{2} O$ or $N a_{2} O_{2}$ . A piece of red litmus paper turns white when it is dipped into a freshly made aqueous solution of the white solid.
The given substance is $N a_{2} O$ .

If the statement is true, enter 1 else enter 0.

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Solution

The given substance is $N a_{2} O_{2}$

$N a_{2} O_{2} + 2 H_{2} O \to 2 N a O H + H_{2} O_{2}$
$H_{2} O_{2} \to H_{2} O + O$

$H_{2} O_{2}$ turns the color of red litmus paper to white due to its bleaching action by oxidation.

Therefore, the given substance is $N a_{2} O_{2}$ .

The correct answer is 0

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