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NEET Sample Paper NEET Sample Test Paper-91

  • question_answer
    At STP, the order of root mean square speed of molecules \[{{H}_{2}},\]\[{{N}_{2}},\]\[{{O}_{2}}\] and HBr is

    A) \[{{H}_{2}}>{{N}_{2}}>{{O}_{2}}>HBr\]

    B) \[HBr>{{O}_{2}}>{{N}_{2}}>{{H}_{2}}\]

    C) \[HBr>{{H}_{2}}>{{O}_{2}}>{{N}_{2}}\]

    D) \[{{N}_{2}}>{{O}_{2}}>{{H}_{2}}>HBr\]

    Correct Answer: A

    Solution :

    [a] \[{{\mu }_{rms}}\propto \,\,\sqrt{\frac{1}{m}}\]at STP


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