Easy MCQ +4 / -1 PYQ · JEE Mains 2021

In which of the following pairs, the outer most electronic configuration will be the same?

  1. A Cr<sup>+</sup> and Mn<sup>2+</sup> Correct answer
  2. B Ni<sup>2+</sup> and Cu<sup>+</sup>
  3. C V<sup>2+</sup> and Cr<sup>+</sup>
  4. D Fe<sup>2+</sup> and Co<sup>+</sup>

Solution

Cr<sup>+</sup> $\to$ [Ar]3d<sup>5</sup> <br><br>Mn<sup>2+</sup> $\to$ [Ar]3d<sup>5</sup>

About this question

Subject: Chemistry · Chapter: d and f Block Elements · Topic: Properties of Transition Metals

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