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The reaction, 2 ~A_( g)+ B_( g) leftrightharpoons 3 C_( g)+ D_( g) is begun with the concentrations of A and B both at an initial value of 1.00 M…

NEET UG 2010 — Chemistry Physical Chemistry

2010mcqmedium

The reaction, 2 A(g)+B(g)⇋3C(g)+D(g)2 \mathrm{~A}_{(\mathrm{g})}+\mathrm{B}_{(\mathrm{g})} \leftrightharpoons 3 \mathrm{C}_{(\mathrm{g})}+\mathrm{D}_{(\mathrm{g})}2 A(g)​+B(g)​⇋3C(g)​+D(g)​ is begun with the concentrations of AAA and BBB both at an initial value of 1.00 M When equilibrium is reached, the concentration of DDD is measured and found to be 0.25 M. The value for the equilibrium constant for this reaction is given by the expression

Official previous-year question

Held on 30 Apr 2010 · Verified 9 Jul 2026.

Options

  1. A

    [(0.75)3(0.25)]÷[(1.00)2(1.00)]\left[(0.75)^3(0.25)\right] \div\left[(1.00)^2(1.00)\right][(0.75)3(0.25)]÷[(1.00)2(1.00)]

  2. B

    [(0.75)3(0.25)]÷[(0.50)2(0.75)]\left[(0.75)^3(0.25)\right] \div\left[(0.50)^2(0.75)\right][(0.75)3(0.25)]÷[(0.50)2(0.75)]

  3. C

    [(0.75)3(0.25)]÷[(0.50)2(0.25)]\left[(0.75)^3(0.25)\right] \div\left[(0.50)^2(0.25)\right][(0.75)3(0.25)]÷[(0.50)2(0.25)]

  4. D

    [(0.75)3(0.25)]÷[(0.75)2(0.25)]\left[(0.75)^3(0.25)\right] \div\left[(0.75)^2(0.25)\right][(0.75)3(0.25)]÷[(0.75)2(0.25)]

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