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Question

Which of the following compounds produce N2 on strong heating?

A
NaNO2
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B
NaNO3
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C
NH4NO2
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D
AgNO3
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Solution

The correct option is A NaNO2

The thermal decomposition of sodium nitrite to produce sodium oxide(III), nitrogen and oxygen. This reaction takes place at a temperature of 700900°C.

4NaNO22Na2O+2N2+3O2


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