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Given the reaction between two gases represented by A_2 and B_2 to give the compound A B(g). A_2(g)+B_2(g) ⇌ 2 A B(g) At equilibrium, the…

NEET UG 2012 — Chemistry Physical Chemistry

2012mcqmedium

Given the reaction between two gases represented by A2A_2A2​ and B2B_2B2​ to give the compound AB(g)A B(g)AB(g). A2(g)+B2(g)⇌2AB(g)A_2(g)+B_2(g) \rightleftharpoons 2 A B(g)A2​(g)+B2​(g)⇌2AB(g) At equilibrium, the concentration of A2=3.0×10−3MA_2=3.0 \times 10^{-3} \mathrm{M}A2​=3.0×10−3M of B2=4.2×10−3MB_2=4.2 \times 10^{-3} \mathrm{M}B2​=4.2×10−3M of AB=2.8×10−3MA B=2.8 \times 10^{-3} \mathrm{M}AB=2.8×10−3M If the reaction takes place in a sealed vessel at 527∘C527^{\circ} \mathrm{C}527∘C, then the value of KcK_cKc​ will be

Official previous-year question

Held on 30 Apr 2012 · Verified 9 Jul 2026.

Options

  1. A

    2.0

  2. B

    1.9

  3. C

    0.62

  4. D

    4.5

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