Question

Electronic configuration of Mn²⁺ is ____________.

Options

• [Ar] 3d²

• [Ar] 3d³

• [Ar] 3d⁵

• [Ar] 3d⁴

Answer 1

Electronic configuration of Mn²⁺ is [Ar] 3d⁵.

Explanation:

Atomic number of Mn is 25 with an electronic configuration of [Ar] 3d⁵ 4s². On removal of two electrons to get Mn²⁺, the electronic configuration becomes [Ar] 3d⁵.