Nitrogen dioxide cannot be obtained from:

C u (N O_{3})_{2}

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H g (N O_{3})_{2}

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N a N O_{3}

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A g N O_{3}

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Solution

The correct option is C $N a N O_{3}$
Reactions are:
$N a N O_{3} below - -- \to 500^{o} C N a N O_{2} + \frac{1}{2} O_{2}$

$C u (N O_{3})_{2} Δ - \to C u O + 2 N O_{2} ↑ + \frac{1}{2} O_{2} ↑$
$H g (N O_{3})_{2} Δ - \to H g ↓ + 2 N O_{2} ↑ + O_{2} ↑$
$A g N O_{3} Δ - \to A g + N O_{2} ↑ + \frac{1}{2} O_{2} ↑$

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Similar questions

Gases evolved during the thermal decomposition of mercuric nitrate $H g (N O_{3})_{2}$ are:

C a C O_{3} \to C a O + C O_{2} ↑

2 A g N O_{3} + C u \to C u {(N O_{3})}_{2} + 2 A g ↓

2 S O_{2} + O_{2} \to 2 S O_{3} ↑

N a C l + A g N O_{3} \to A g C l ↓ + N a N O_{3}

What coefficient of $A g N O_{3}$ is required to balance the following equation?

$C u + A g N O_{3} \to C u (N O_{3})_{2} + A g$

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