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MCQMediumJEE Main 2025 · 29 January, Shift 1Equilibrium Basics

Chemistry Question from JEE Main 2025 · 29 January, Shift 1

At temperature TT, compound AB2\text{AB}_2 dissociates as AB2(g)⇌AB(g)+12B2(g)\text{AB}_{2(g)} \rightleftharpoons \text{AB}_{(g)} + \frac{1}{2} \text{B}_{2(g)}, having degree of dissociation xx (small compared to unity). The correct expression for xx in terms of KpK_p and pp is:

  • A

    2Kpp3\sqrt[3]{\frac{2K_p}{p}}

  • B

    2Kpp4\sqrt[4]{\frac{2K_p}{p}}

  • C

    2Kp2p3\sqrt[3]{\frac{2K_p^2}{p}}

  • D

    Kp\sqrt{K_p}

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