Lead Displacing Silver from Silver Nitrate

Pb + 2AgNO₃ → Pb(NO₃)₂ + 2Ag

ภาพรวม

Lead metal displaces silver from silver nitrate solution, demonstrating that lead is more reactive than silver. Silver crystals deposit on the lead surface as shiny metallic needles. This was historically used in silver assaying and recovery processes.

ผู้เข้าร่วม

บทบาท	สาร	สัมประสิทธิ์	สถานะ
สารตั้งต้น	Lead Pb	1	(s)
สารตั้งต้น	Silver Nitrate AgNO₃	2	(aq)
ผลิตภัณฑ์	Silver Ag	2	(s)

ตัวอย่างในชีวิตประจำวัน

Jewelers and assayers historically used lead to test silver purity, exploiting the differences in metal reactivity.

ความสำคัญทางอุตสาหกรรม

Lead cementation was used in historical silver refining processes. Understanding metal displacement is essential for designing electrochemical cells.

คุณสมบัติ

ประเภท: Single Replacement
ย้อนกลับได้: ไม่
พลังงาน: คายความร้อน
ΔH: -132.0 kJ/mol

ปฏิกิริยาที่เกี่ยวข้อง

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Frequently Asked Questions

What is the equation for Lead Displacing Silver from Silver Nitrate?

The balanced equation is: Pb + 2AgNO₃ → Pb(NO₃)₂ + 2Ag.

What type of reaction is Lead Displacing Silver from Silver Nitrate?

Lead Displacing Silver from Silver Nitrate is a single replacement reaction.

Is Lead Displacing Silver from Silver Nitrate exothermic or endothermic?

Lead Displacing Silver from Silver Nitrate is exothermic (releases energy). The enthalpy change (ΔH) is -132.0 kJ/mol.