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

  • question_answer The vapour density of a gas is 11.2. The volume occupied by 11.2 g of this gas at N.T.P. is [MNR 1982; CBSE PMT 1991]

    A)                 1 L

    B)                 11.2 L

    C)                 22.4 L    

    D)                 20 L

    Correct Answer: B

    Solution :

               Molecular weight = V.d. ´ 2 = 11.2 ´ 2 = 22.4                    Volume of 22.4 gm Substance of NTP = 22.4 litre                    1 gm substance at NTP = \[\frac{22.4}{22.4}litre\]                                 11.2 gm substance of NTP = 11.2 litre


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