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Question

Question: Nitrogen dioxide cannot be obtained by heating....

Nitrogen dioxide cannot be obtained by heating.

A

KNO3KNO_{3}

B

Pb(NO3)2Pb(NO_{3})_{2}

C

Cu(NO3)2Cu(NO_{3})_{2}

D

AgNO3AgNO_{3}

Answer

KNO3KNO_{3}

Explanation

Solution

2KNO3(S)→Δ2KNO2(S)+O2\underset{(S)}{2KNO_{3}}\overset{\quad\Delta\quad}{\rightarrow}\underset{(S)}{2KNO_{2}} + O_{2}