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Based on the following information, Cl2(g) + 2 e- → 2 Cl-(aq) E° = +1.36 V Mg2+(aq) + 2 e- → 2 Mg(s) E° = -2.37 V which...

Based on the following information,
Cl2(g) + 2 e- → 2 Cl-(aq) E° = +1.36 V
Mg2+(aq) + 2 e- → 2 Mg(s) E° = -2.37 V
which of the following chemical species is the strongest reducing agent?

A. Cl2(g)

B. Mg2+(aq)

C. Mg(s)

D. Cl-(aq)

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Answer #1

Strongest reducing agent is the one which get oxidised.

The one with lesser Eo value will be oxidised.

So. Oxidation half cell is:

Mg(s) -> Mg2+(aq) + 2e-

Mg(S) is getting oxidised.

So, it is strongest reducing agent.

Answer: C

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