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MHT CET Chemistry question

ChemistryCoordination CompoundsMHT CET

Pick out the correct statements from the following : I. Cobalt (III) is more stable in octahedral complexes. II. Zinc forms coloured ions or complexes. III. Most of the d-block elements and their compounds are ferromagnetic. IV. Osmium shows (VIII) oxidation state.

Answer: (D)

Solution

I is true because Co(III) forms stable low-spin octahedral complexes and IV is true because Os shows the +8 state (OsO); II is false since Zn

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Question ID VK-074866