Which of the following pairs of ions have the same electronic configuration?

Chemistry · Class 12 · CBSE — The d- and f-Block Elements

1. Cu²⁺, Cr²⁺
2. Fe³⁺, Mn²⁺
3. Co³⁺, Ni³⁺
4. Sc³⁺, Cr³⁺

Answer

(B) Fe 3+ , Mn 2+

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