ICSE Class 10 Answered
what are the electrolysis parameter for electroplating platinum on any other metallic plate.parameter such as current ,voltage and prefferable electrolyte solution.
Asked by gupta.eshan73 | 20 Feb, 2020, 12:37: PM
Expert Answer
Electroplating with Silver
Electrolyte: Na[Ag(CN)2] or K[Ag(CN)2]
Dissociation: Na[Ag(CN)2] 
Na+ + Ag+ + 2CN−
H2O H+ + OH−
Electrodes:
Cathode: Copper bell
Anode: Pure silver
Electrodes reactions:
Reaction at cathode: Ag+ + e−→ Ag (deposited)
Reaction at anode: Ag − e−→ Ag+ (goes into solution)
Answered by Ramandeep | 20 Feb, 2020, 06:09: PM
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