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NEET Sample Paper NEET Sample Test Paper-52

  • question_answer
    \[{{N}_{2}}+3{{H}_{2}}\rightleftharpoons 2N{{H}_{3}}\] Starting with one mole of nitrogen and 3 moles of hydrogen, at equilibrium \[50%\] of each had reached. If the equilibrium pressure is P, the pressure of hydrogen at equilibrium would be-

    A) P/2                              

    B) P/3

    C) P/4                              

    D) P/6

    Correct Answer: A

    Solution :

    \[{{N}_{2}}+3{{H}_{2}}\,\,\rightleftharpoons \,\,N{{H}_{3}}\] \[t=0\]   1          3          0 \[t=?\]   \[1-x\]    \[3-3x\] \[2x\]     \[nx=a\alpha \] At equi. 1/2        3/2        1          \[1x=\frac{1\times 50}{100}\]\[{{P}_{{{H}_{2}}}}=\frac{\frac{3}{2}}{3}\,\,\times P\]                                    \[x=\frac{1}{2}\] \[{{P}_{{{H}_{2}}}}=\frac{P}{2}\]


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