JEE Main 20169 Apr, Morning shiftChemistryEasyd- and f-Block Elements158× since 2002Which one of the following species is stable in aqueous solution?AOption A. Cr²⁺BOption B. Cu⁺COption C. MnO43−_4^{3 - }43−DOption D. MnO42−_4^{2 - }42−CheckSkip · show solution