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NEET Sample Paper NEET Sample Test Paper-2

  • question_answer
    We have ajar A filled with gas characterised by parameters P,V and T another jar B filled with gas with parameters \[2P,\frac{V}{4}\] and 2T, where the symbols have their usual meanings. The ratio of the number of molecules of jar A to those of jar B is:

    A)  \[1:1\]               

    B)  \[1:2\]

    C)  \[2:1\]               

    D)  \[4:1\]

    Correct Answer: D

    Solution :

    As,   \[PV=nRT\] Now, for the two gases \[\frac{{{n}_{1}}}{{{n}_{2}}}=\frac{{{P}_{1}}}{{{P}_{2}}}\times \frac{{{V}_{1}}}{{{V}_{2}}}\times \frac{{{T}_{2}}}{{{T}_{1}}}=\frac{1}{2}\times 4\times 2\] \[\frac{{{n}_{1}}}{{{n}_{2}}}=\frac{4}{1}\]


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