JEE Main 202122 Jul, Evening shiftChemistryEasyd- and f-Block Elements158× since 2002The set having ions which are coloured and paramagnetic both is :AOption A. Cu²⁺, Cr³⁺, Sc⁺BOption B. Cu²⁺, Zn²⁺, Mn⁴⁺COption C. Sc³⁺, V⁵⁺, Ti⁴⁺DOption D. Ni²⁺, Mn⁷⁺, Hg²⁺CheckSkip · show solution