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JEE Main & Advanced Chemistry Structure of Atom / परमाणु संरचना Question Bank Atomic number, Mass number Atomic species

  • question_answer
    Which of the following are isoelectronic species \[I=CH_{3}^{+},\,II-N{{H}_{2}},\,III-NH_{4}^{+},\,IV-N{{H}_{3}}\]             [CPMT 1999]

    A)                 I, II, III  

    B)                 II, III, IV

    C)                 I, II, IV  

    D)                 I and II

    Correct Answer: B

    Solution :

    Not Available


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