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Which one of the following products is obtained from heating Lead nitrate?
Question

Which one of the following products is obtained from heating Lead nitrate?

A.

O2

B.

NO2

C.

NO2 and N2

D.

NO2 and O2

Correct option is D

Ans.(d) NO₂ and O₂

Explanation:
The correct answer is NO₂ (Nitrogen dioxide) and O₂ (Oxygen). When Lead Nitrate (Pb(NO₃)₂) is heated, it decomposes to form Lead(II) Oxide (PbO), Nitrogen dioxide (NO₂), and Oxygen (O₂). This reaction is an example of a thermal decomposition reaction.

2Pb(NO3)2→2PbO+4NO2+O22Pb(NO₃)₂ → 2PbO + 4NO₂ + O₂2Pb(NO3)22PbO+4NO2+O2

Information Booster:
NO₂ is a reddish-brown gas that contributes to air pollution.
Lead(II) Oxide (PbO) appears as a yellow solid after decomposition.
The evolution of NO₂ gas confirms the decomposition of Lead Nitrate.
● The reaction occurs at high temperatures (above 470°C).

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