JEE Main 201910 Apr, Evening shiftChemistryMediumd- and f-Block Elements158× since 2002The INCORRECT statement is :AOption A. the color of [CoCl(NH₃)₅]²⁺ is violet as it absorbs the yellow light.BOption B. the gemstone, ruby, has Cr³⁺ ions occupying the octahedral sites of beryl.COption C. the spin-only magnetic moment of [Ni(NH₃)₄(H₂O)₂]²⁺ is 2.83 BM.DOption D. the spin-only magnetic moments of [Fe(H₂O)₆]²⁺ and [Cr(H₂O)₆]²⁺ are nearly similar.CheckSkip · show solution