Practicing Success

Target Exam

CUET

Subject

Chemistry

Chapter

Inorganic: D and F Block Elements

Question:

Which of the following has the maximum number of unpaired electrons?

Options:

Fe2+

Fe3+

Vi3+

Ti3+

Correct Answer:

Fe2+

Explanation:

Fe2+ has 4 unpaired electrons.

26Fe : [Ar]4s23d6

Fe2+: [Ar]3d

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