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The complex [CoF₆]⁴⁻ is

The complex [CoF₆]⁴⁻ is

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(a) outer orbital and diamagnetic
(b) inner orbital and paramagnetic
(c) outer orbital and paramagnetic
(d) inner orbital and diamagnetic

Correct Answer:

outer orbital and paramagnetic

Explanation:

Co²⁺ (d⁷) forms an outer orbital and paramagnetic complex due to presence of 3 unpaired electrons.

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