Which of the following reactant(s) can be used to prepare sodium oxide?

N a_{2} O_{2}

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N a N O_{3}

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N a N_{3}

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N a O H

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Solution

The correct option is C $N a N_{3}$
Preparation of Sodium Oxide $(N a_{2} O)$
$N a N O_{3} + 2 N a \to 2 N a_{2} O$
$2 N a N O_{3} + 10 N a \to 6 N a_{2} O + N_{2}$
$2 N a N O_{2} + 6 N a \to 4 N a_{2} O + N_{2}$
$3 N a N_{3} + N a N O_{2} \to 2 N a_{2} O + 5 N_{2}$
Hence option (a), (b) and (c) are correct.

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