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NEET Sample Paper NEET Sample Test Paper-67

  • question_answer
    A mixture of gases contains \[{{H}_{2}}\,\,and\,\,{{O}_{2}}\] gases in the ratio of \[1 : 4 \left( w/w \right)\]. What is the molar ratio of the two gases in the mixture?

    A) \[16:1\]             

    B) \[2 : 1\]

    C) \[1 : 4\]             

    D) \[4\, :\, 1\]

    Correct Answer: D

    Solution :

    Number of moles of \[{{H}^{2}}=\frac{1}{2}\] Number of moles of \[{{O}_{2}}=\frac{4}{32}\] Hence, molar ratio \[=\,\,\frac{1}{2}\,\,:\,\,\frac{4}{32}\,=\,4\,\,:\,\,1\]


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