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Decomposition Reaction

What happen w...

Question

What happen when the following nitrates are heated?
$N a N O_{3}$ (Chile saltpetre)

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Solution

Sodium nitrate undergoes thermal decomposition to produce sodium nitrite and oxygen. This reaction takes place at a temperature of $300 - 500^{0} C$ .

$2 N a N O_{3} t^{0} C \to 2 N a N O_{2} + O_{2}$

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Q. Name the following:
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(iii) Salt referred to as Chile saltpetre.
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(vi) Products obtained by heating concentrated nitric acid.
(vii) Two coloured nitrates.

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