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CMC Medical CMC-Medical Ludhiana Solved Paper-2011

  • question_answer
    The molecular weight of oxygen and hydrogen are 32 and 2 respectively. The rms velocities of hydrogen and oxygen will be in the ratio

    A)  16 : 1                                    

    B)  1 : 4

    C)  2 : 3                                      

    D)  4 : 1

    Correct Answer: D

    Solution :

                    \[\frac{{{({{v}_{rms}})}_{{{H}_{2}}}}}{{{({{v}_{rms}})}_{{{O}_{2}}}}}=\sqrt{\frac{32}{2}}\]\[{{(v{{ & }_{rms}})}_{{{H}_{2}}}}:{{({{v}_{rms}})}_{{{O}_{2}}}}=4:1\]


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