Chemistry - Electrochemistry Question with Solution | TestHub

ChemistryElectrochemistryCommercial Cells/Fuel cellEasy2 minPYQ_2020
ChemistryEasysingle choice

Two platinum electrodes were immersed in a solution of cupric sulphate and electric current passed through the solution. After sometime it was found that the colour of copper sulphate disappeared with evolution of gas at the electrode. The colourless solution contains

Options:

Answer:
D
Solution:

Anode:- 2 H 2 O→ O 2 +4 H + +4 e −
Cathode:- Cu +2 aq +2 e − →Cu s
Solution will left with SO 4 −2 &  H + ions
So, we can say it is aq solutions of H 2 SO 4

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:ElectrochemistrySubtopic:Commercial Cells/Fuel cell
⏱ 2mℹ️ Source: PYQ_2020

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