Single Choice

Which of the following compounds produce $$N_2$$ on strong heating?

A$$NaNO_2$$
Correct Answer
B$$NaNO_3$$
C$$NH_4NO_2$$
D$$AgNO_3$$

Solution

The thermal decomposition of sodium nitrite to produce sodium oxide(III), nitrogen and oxygen. This reaction takes place at a temperature of $$700-900°C.$$

$$4NaN{ O }_{ 2 }→2{ Na }_{ 2 }O+2{ N }_{ 2 }+3{ O }_{ 2 }$$

SIMILAR QUESTIONS

Air and Water

Nitrogen gas makes up 78% of our atmosphere and nitrogen is also a part of many molecules essential to life like proteins, nucleic acids (DNA and RNA) and some vitamins.

Air and Water

Nitrogen is also found in other biologically important compounds such as alkaloids and urea.

Air and Water

Pure nitrogen can be prepared from :

Air and Water

Nitrogen is liberated by the thermal decomposition of only :

Air and Water

Which of the following substances is most useful in removing nitrogen from air?

Air and Water

Explain why dry nitrogen gas cannot be collected by the displacement of air? How can it be collected?

Air and Water

A student confirms nitrogen to ,be neither acidic nor basic in nature on testing using litmus solution. Explain how did he reason out?

Air and Water

Why is the heating solution of ammonium chloride and sodium nitrite discontinued on evolution of nitrogen gas?

Air and Water

How is liquid nitrogen used for the recovery of steel from old cars?

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