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Preparation of Nitrogen

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Question

State True or False.
A chemical method of removal of $N O_{2}^{-}$ is to boil the mixture with $N H_{4} C l$ .

A

True

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B

False

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Solution

The correct option is A True
To remove $N O_{2}^{-}$ from the solution, it is boiled with ammonium chloride solution.
$N O_{2}^{-}$ decomposes to nitrogen.
$N a N O_{2} + N H_{4} C l △ ⟶ N a C l + N_{2} ↑ + 2 H_{2} O$

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Q. If true enter 1, else enter 0.

{N O}_{2}^{-}

interferes in the 'ring test' of

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N H_{4} C l

{N O}_{2}^{-}

is decomposed as follows:

N a N O_{2} + N H_{4} C l △ ⟶ N a C l + N_{2} ↑ + 2 H_{2} O

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