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  4. If half cell reaction A + e- arrow A- has a large negative reduction potential, it follows that

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Q. If half cell reaction $A + e^- \rightarrow A^-$ has a large negative reduction potential, it follows that

Electrochemistry

Solution:

Gain of electrons is reduction and A has a large negative reduction potential. This means the reduction potential of A is very smaller. A is difficult to reduce to $A^-$. Therefore, $A^-$ is easy to oxidise to A.