Which Of The Following Pair Will Have Effective Magnetic Moment Equal?

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Question

Which of the following pair will have effective magnetic moment equal?

easy

Solution

Correct option is

Cr²⁺ and Fe²⁺

Cr²⁺ and Fe²⁺

Cr²⁺ – 3d⁴ (4 unpaired electrons)

Fe²⁺ – 3d⁶(4 unpaired electrons)

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