JEE Main & Advanced Chemistry States of Matter Question Bank Ideal gas equation and Related gas laws

  • question_answer 16 g of oxygen and 3 g of hydrogen are mixed and kept at 760 mm pressure and \[{{0}^{o}}C\]. The total volume occupied by the mixture will be nearly      [Vellore CMC 1991]

    A)                 22.4 litres            

    B)                 33.6 litres

    C)                 448 litres             

    D)                 44800 ml

    Correct Answer: D

    Solution :

               n of \[{{O}_{2}}=\frac{16}{32}=\frac{1}{2}\]                    n of \[{{H}_{2}}=\frac{3}{2}\]                    Total no. of moles = \[\frac{3}{2}+\frac{1}{2}=2\]                                 \[V=\frac{nRT}{P}=\frac{2\times .082\times 273}{1}=44.8lit\]      = 44800 ml

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