Lead nitrate on heating gives

June 1, 2025 by rawan239

Lead nitrate on heating gives

[amp_mcq option1=”PbO₂ and NO₂” option2=”PbO and NO₂” option3=”PbO and NO” option4=”PbO₂ and NO” correct=”option2″]

This question was previously asked in

UPSC CDS-2 – 2020

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Heating lead nitrate (Pb(NO₃)₂) causes thermal decomposition, producing lead(II) oxide (PbO), nitrogen dioxide (NO₂), and oxygen (O₂).

The balanced chemical equation for the thermal decomposition of lead nitrate is: 2 Pb(NO₃)₂(s) → 2 PbO(s) + 4 NO₂(g) + O₂(g). Nitrogen dioxide is a reddish-brown gas, and this decomposition is often demonstrated to show its production.

The specific oxide formed depends on the metal and the temperature of decomposition. For lead nitrate, the primary solid product is lead(II) oxide (PbO). Lead(IV) oxide (PbO₂) is not formed under these conditions as a primary product of lead nitrate decomposition.

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