2. When crystals of Lead Nitrate are heated strongly in dry test tube:-
A) Crystals immediately merit
B) Brown Residue is left
C) Reddish brown fumes are evolved
D) Both option B and C are correct
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Answer:
No option is matching
Explanation:
Yellow residue is left
The evolution of brown gas, nitrogen dioxide, and a yellow residue of lead oxide results from strong heating of lead nitrate.
2Pb(NO3) → 2PbO + 2NO2+ O2
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