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Question

2NaNO3 + 10Na ______ + N2

2NaNO2 + 6Na ______ + N2 The product obtained is as follows.


A

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B

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C

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D

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Solution

The correct option is B


This is the method used to prepare sodium oxide:

2NaNO3 + 10Na Na2O + N2

Sodium nitrate when heated with sodium gives sodium oxide.

2NaNO2 + 6Na Na2O + N2

Sodium nitrite when heated with sodium gives sodium oxide.


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