Four metals, A, B, C, and D, exhibit the following properties: a) Only A and C r

Question

Four metals, A, B, C, and D, exhibit the following properties: a) Only A and C react with 1.0 M hydrochloric acid to give H_2 (g). b) When C is added to solutions of ions of the other metals, metallic B,D, and A are formed. c) Metal D reduces B^n+ to given metallic B and D^n+. Based on this information, rank the four metals in order of increasing ability to act as reducing agents (i.e. from weakest reducing ability to strongest reducing ability) Ranking of metals in order of increasing reducing ability:

Explanation / Answer

Based on the information C has lowest electrode potential value.

And among A, B, Dmetals A has Lowest value.

Among B and D, B has high Electrode potential value.

Order of reducing nature : C < A < D < B

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