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

  • question_answer A wheather balloon filled with hydrogen at 1 atm and \[{{27}^{o}}C\] has volume equal to 12000 litres. On ascending it reaches a place where the temperature is \[-{{23}^{o}}C\] and pressure is 0.5 atm. The volume of the balloon is [CBSE PMT 1991]

    A)                 24000 litres         

    B)                 20000 litres

    C)                 10000 litres         

    D)                 12000 litres

    Correct Answer: B

    Solution :

                    \[{{V}_{2}}=\frac{{{P}_{1}}}{{{P}_{2}}}\frac{{{T}_{2}}}{{{T}_{1}}}.{{V}_{1}}=\frac{1}{0.5}\times \frac{250}{300}\times 12000lit.=20000lit.\]

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