Thermal Decomposition of Lead(IV) Oxide

2PbO2 → 2PbO + O2

개요

Lead(IV) oxide (lead dioxide) decomposes when heated above 290 C to form lead(II) oxide and oxygen. This decomposition reflects the instability of the +4 oxidation state for lead. Lead dioxide is a strong oxidizer used in lead-acid batteries.

참여 물질

역할 물질 계수 상태
생성물 Oxygen O 1 (g)

일상 속 예시

The positive plates of car batteries contain lead dioxide, which undergoes reduction (not this thermal decomposition) during discharge.

산업적 중요성

PbO₂ 안정성 이해는 납축전지 설계에 매우 중요합니다. 이산화납은 수처리와 화학 합성에서 전극 재료로도 사용됩니다.

성질

유형
Decomposition
가역 반응
아니오
에너지
흡열
ΔH
118.4 kJ/mol

관련 반응

Decomposition of Ammonium Nitrate Decomposition of Calcium Hypochlorite Decomposition of Carbonic Acid Decomposition of Iron(II,III) Oxide (Direct Reduction) Decomposition of Nitrous Oxide (Laughing Gas) Decomposition of Barium Peroxide Decomposition of Sodium Bicarbonate Decomposition of Water (Electrolysis) Thermal Decomposition of Copper(II) Carbonate Cracking of Octane (Thermal Cracking)

Frequently Asked Questions

What is the equation for Thermal Decomposition of Lead(IV) Oxide?
The balanced equation is: 2PbO₂ → 2PbO + O₂.
What type of reaction is Thermal Decomposition of Lead(IV) Oxide?
Thermal Decomposition of Lead(IV) Oxide is a decomposition reaction.
Is Thermal Decomposition of Lead(IV) Oxide exothermic or endothermic?
Thermal Decomposition of Lead(IV) Oxide is endothermic (absorbs energy). The enthalpy change (ΔH) is 118.4 kJ/mol.