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JEE Advanced Chemistry question

ChemistryCoordination CompoundsJEE Advanced

Consider the following statements in respect of complex ion: I. It is paramagnetic. II. It is low-spin complex. III. Oxidation number of cobalt is . IV. The coordination number of cobalt is 6. Select the correct statement

Answer: (C)

Solution

In , the overall charge is with 6 neutral-charge... with ligands (), cobalt's oxidation number is (NOT as statement III wrongly claims), so III is false. The coordination number is indeed 6 (statement

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Question ID VK-160036