If a cell showing spontaneous reaction is written on a piece of paper, terminologies which to be maintained are:
A
the electrode at right side should be such that it should accept electrons from the circuit
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B
the electrode at left side should be such that it should force electrons into the circuit
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C
the electrode at right should show oxidation
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D
the electrode at left should show oxidation
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Solution
The correct options are A the electrode at right side should be such that it should accept electrons from the circuit B the electrode at left side should be such that it should force electrons into the circuit D the electrode at left should show oxidation
LeftRight
Reduction occurs at the electrode at right. Hence, it should accept electrons from the external circuit which should b provided to the atoms/ions. Oxidation occurs at the electrode at left. Hence, it should force electrons into the external circuit. These electrons come from the atoms/ions during the oxidation reaction. Thus, options A, B and D are correct and option C is incorrect.