The reduction potentials for the +2 cations, e.g. `A^(2+) + 2e^(-) rightarrow A`, of four metals decrease in the order A, B,C,D,

The reduction potentials for the +2 cations, e.g.
`A^(2+) + 2e^(-) rightarrow A`,
of four metals decrease in the order A, B,C,D, which Statements is/are true?
(P) A reduces `B^(2+)` oxidizes C
(Q) `B^(2+)` oxidizes C
(R ) B oxides D
A. Q only
B. R only
C. P and Q only
D. P and R only

The reduction potentials for the +2 cations, e.g. `A^(2+) + 2e^(-) rightarrow A`, of four metals decrease in the order A, B,C,D, which Statements is/a

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