NEET Sample Paper NEET Sample Test Paper-42

  • question_answer
    The correct order in which 0-0 bond length increases in the following is:

    A) \[{{O}_{2}} < {{H}_{2}}{{O}_{2}} < {{O}_{2}}\]  

    B)   \[\operatorname{O}{{ }_{2}}< {{0}_{3}} < {{H}_{2}}{{O}_{2}}\]

    C) \[{{O}_{2}} < {{H}_{2}}{{O}_{2}} < {{O}_{3}}\]  

    D) \[{{H}_{2}}{{O}_{2}} <{{O}_{2}} < {{O}_{3}}\]

    Correct Answer: B

    Solution :

    Bond order of 0 - 0 \[{{O}_{3}}:15\] \[{{H}_{2}}{{\operatorname{O}}_{2}} :1\] \[{{\operatorname{O}}_{2}} =2\] Hence, greater the bond order, shorter is the bond length.


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