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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
19 Nov 2021

Given information

Here, in this question we have been given four metals  and we need to fnd out which one is the best reducing agent.

Step-by-step explanation

Step 1.

The strength of a reducing agent is measured by the ease with which it can lose and donate electrons; easier the oxidation of a specimen, better the reducing agent. In other words, the half-reaction with the more negative electrode potential repels electrons more strongly and undergoes oxidation. So, the specimen corresponding to the more negative standard reduction potential is a better reducing agent.

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