Choose the correct statement among the following (A) The oxidation number of Ni in [Ni(DMG) ] is Zer — NEET Chemistry Past Papers Chemistry Question

Question

Choose the correct statement among the following (A) The oxidation number of Ni in [Ni(DMG) ] is Zero. (B) Na EDTA is used to remove Ca and Mg ions from hard water. (C) Vitamin B-12 contains cobalt as the central metal ion. (D) Cis-platin is used for treatment of cancer (A) A, B, D only (B) A, D only (C) B, C, D only (D) A, B, C, D