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Structure of Atom question

2005 · Shift 0 · Q55
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Structure of Atom question

2005 · Shift 0 · Q55

JEE MainChemistryStructure of AtomMCQ+4 / −1
Of the following sets which one does NOT contain isoelectronic species?
  1. A
    BO33−BO_3^{3 - }BO33−​, CO32−CO_3^{2 - }CO32−​, NO3−NO_3^{- }NO3−​
  2. B
    SO32−SO_3^{2 - }SO32−​, CO32−CO_3^{2 - }CO32−​, NO3−NO_3^{-}NO3−​
  3. C
    CN−CN^{- }CN−, N2N_2N2​, C22−C_2^{2 - }C22−​
  4. D
    PO43−PO_4^{3 - }PO43−​, SO42−SO_4^{2 - }SO42−​, ClO4−ClO_4^{ - }ClO4−​
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