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Anomalous Behavior of Lithium Halogens

Which nitrate...

Question

Which nitrate will decompose to give $N O_{2}$ on heating?

N a N O_{3}

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K N O_{3}

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R b N O_{3}

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L i N O_{3}

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Solution

The correct option is D $L i N O_{3}$
Only $L i N O_{3}$ gives $N O_{2}$ on heating. All other nitrates give oxygen.
$4 L i N O_{3} Δ - \to 2 L i_{2} O + 4 N O_{2} + O_{2} .$
$2 N a N O_{3} Δ - \to 2 N a N O_{2} + O_{2}$

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Similar questions

L i N O_{3}

L i_{2} O

Choose the correct answer :

(a) The nitrate salt which does not give a mixture of $N O_{2}$ and $O_{2}$ on heating is :

(i) $A g N O_{3}$ , (ii) $K N O_{3}$ ,

(iii) $C u (N O_{3})_{3}$ , (iv) $Z n (N O_{3})_{2}$ .

(b) The chemical used in the brown ring test is :

(i) $C u S O_{4}$ , (ii) $F e S O_{4}$

(iii) $F e_{2} (S O_{4})_{3}$ (iv) $Z n S O_{4}$ .

(i) NO, (ii) $N_{2} O,$

(iii) $N O_{2}$ (iv) $N_{2} O_{5}$ .

N O_{2}

N H_{4} N O_{3}, K N O_{3}, N a N O_{2}, P b (N O_{3})_{2}, A g N O_{3}

Nitrates of I group ( except LiNO₃) on heating give:

L i N O_{3}, M g N O_{3} N a N O 3, C a (N O_{3})_{2}

N O_{2} (g)

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