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NEET Sample Paper NEET Sample Test Paper-91

  • question_answer
    \[{{N}_{2}}\] and \[{{O}_{2}}\] are converted into monoanions, \[N_{2}^{-}\] and \[O_{2}^{-}\] respectively Which of the following statements is wrong?

    A) In \[N_{2}^{-},\] \[N-N\] bond weakens

    B) In \[O_{2}^{-},\]\[O-O\] bond order increases

    C) In \[O_{2}^{-},\]\[O-O\] bond order decreases

    D) \[N_{2}^{-}\] becomes paramagnetic

    Correct Answer: B

    Solution :

    [b]
    Species \[{{N}_{2}}\] \[{{O}_{2}}\] \[N_{2}^{-}\] \[O_{2}^{-}\]
    Bond order 3 2 2.5 1.5
    The \[O-O\] bond is \[O_{2}^{-}\]decreases


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