1.

Which of the following statement are correct about `Cr^(2+)` (Z = 24) and `Mn^(3+)` (Z = 25) ? (i) `Cr^(2+)` is a reducing agent (ii) `Mn^(3+)` is an oxidizing agent (iii) Both `Cr^(2+)` and `Mn^(3+)` exhibit `d^(4)` configuration (iv) When `Cr^(2+)` is used as a reducing agent, the chromium ion attains `d^(5)` electronic configurationA. `Cr^(2+)` is a reducing agentB. `Mn^(3+)` is an oxidizing agentC. Both `Cr^(2+)` and `Mn^(3+)` exhibit `d^(4)` electronic configurationD. When `Cr^(2+)` is used as a reducing agent, the chromium ion attains `d^(5)` electronic configuration

Answer» Correct Answer - A::B::C


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