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  3. JEE Main & Advanced

JEE Main & Advanced AIEEE Solved Paper-2013

  • question_answer
    In which of the following pairs of molecules/ ions , both the species are not likely to exist?     AIEEE Solevd Paper-2013

    A) \[H_{2}^{+},He_{2}^{2-}\]          

    B)        \[H_{2}^{-},He_{2}^{2-}\]           

    C)        \[H_{2}^{2+},H{{e}_{2}}\]                           

    D) \[H_{2}^{-},He_{2}^{2+}\]

    Correct Answer: C

    Solution :

    \[H_{2}^{2+}\]and\[{{H}_{2}}\]does not exist.


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