JEE Main 2005Annual, Paper 1ChemistryEasyAtomic Structure113× since 2002Of the following sets which one does NOT contain isoelectronic species?AOption A. BO33−BO_3^{3 - }BO33−, CO32−CO_3^{2 - }CO32−, NO3−NO_3^{- }NO3−BOption B. SO32−SO_3^{2 - }SO32−, CO32−CO_3^{2 - }CO32−, NO3−NO_3^{-}NO3−COption C. CN−CN^{- }CN−, N2N_2N2, C22−C_2^{2 - }C22−DOption D. PO43−PO_4^{3 - }PO43−, SO42−SO_4^{2 - }SO42−, ClO4−ClO_4^{ - }ClO4−CheckSkip · show solution
