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Question

Which complex has the highest number of unpaired electrons?

Options

Choose one · Correct answer highlighted

Explanation

[Fe(H₂O)6]^{3+ (Fe³⁺, d⁵ ) with weak field H₂O is high spin ( t_{2g³ e_g² ), with 5 unpaired electrons, the highest among the options. This follows from NCERT principle where relation explains outcome clearly for students.

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