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JEE Main 2025 Chemistry question

ChemistryCoordination CompoundsJEE Main 2025

Consider the following low-spin complexes K[Co(NO)], K[Fe(CN)], K[Fe(CN)], Cu[Fe(CN)] and Zn[Fe(CN)]. The sum of the spin-only magnetic moment values of complexes having yellow colour is B.M. (answer is nearest integer)

Answer: 0

Solution

Yellow colored complexes among these are diamagnetic (d6 low spin, t2g6, no

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Question ID VK-002413