Which metallic nitrate gives only one gas on heating?

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Solution

Potassium nitrate $({KNO}_{3})$ or Sodium nitrate $({NaNO}_{3})$ are the metallic nitrate that gives only one gas on heating i.e. oxygen gas $(O_{2})$ .
$2 {KNO}_{3} (s) \overset{∆}{\to} {KNO}_{2} (s) + O_{2} (g) 2 {NaNO}_{3} (s) \overset{∆}{\to} {NaNO}_{2} (s) + O_{2} (g)$

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Similar questions

Name:

(a) A carbonate which does not decompose on heating.

(b) A nitrate which produces oxygen as the only gas.

(d) A nitrate which produces brown gas on heating.

Name two nitrates which on heating produce only oxygen gas.

Name :

(a) a nitrate of metal which on heating does not give nitrogen dioxide.

(b) a nitrate which on heating leaves no residue behind.

(d) a metal nitrate which on heating is changed into metal.

(e) a solution which absorbs nitric oxide.

(f) the oxide of nitrogen which turns brown on exposure to air. How is it prepared ?

{NO}_{2} and O_{2}

A

B

C

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