Copper Reduction of Silver Ion

Cu + 2Ag+ → Cu2+ + 2Ag

개요

Copper metal reduces silver ions to metallic silver while being oxidized to Cu²⁺. Silver deposits on the copper surface in beautiful dendritic crystal formations. The cell potential of +0.46 V (E°(Ag⁺/Ag) - E°(Cu²⁺/Cu) = 0.80 - 0.34) drives this spontaneous reaction.

참여 물질

역할 물질 계수 상태
반응물 Copper Cu 1 (s)
반응물 Silver Nitrate AgNO₃ 2 (aq)
생성물 Silver Ag 2 (s)

일상 속 예시

The silver tree experiment, where a copper wire in silver nitrate solution grows beautiful silver crystal dendrites, is a popular science demonstration.

산업적 중요성

구리에 의한 은 시멘테이션은 사진 및 전자 폐액에서 은 회수에 사용됩니다.

성질

유형
Redox
가역 반응
아니오
에너지
발열
ΔH
-146.4 kJ/mol

관련 반응

Iron(II) to Iron(III) Oxidation by Oxygen Bleaching with Sodium Hypochlorite Aqua Regia Dissolving Gold Cerium(IV) Reduction by Iron(II) Chlorine Oxidation of Bromide Copper Oxidation by Nitric Acid Hypochlorite Oxidation of Hydrogen Peroxide Hydrogen Peroxide as Oxidizing Agent (Acidic) Zinc Reduction of Silver Ion Displacement of Hydrogen from Acid by Magnesium

Frequently Asked Questions

What is the equation for Copper Reduction of Silver Ion?
The balanced equation is: Cu + 2Ag⁺ → Cu²⁺ + 2Ag.
What type of reaction is Copper Reduction of Silver Ion?
Copper Reduction of Silver Ion is a redox reaction.
Is Copper Reduction of Silver Ion exothermic or endothermic?
Copper Reduction of Silver Ion is exothermic (releases energy). The enthalpy change (ΔH) is -146.4 kJ/mol.