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For the reaction A( g) ⇌ 2 ~B( ~g), the backward reaction rate constant is higher than the forward reaction rate constant by a factor of 2500 , at…

NEET UG 2025 — Chemistry Physical Chemistry

2025mcqmedium

For the reaction A(g)⇌2 B( g)\mathrm{A}(\mathrm{g}) \rightleftharpoons 2 \mathrm{~B}(\mathrm{~g})A(g)⇌2 B( g), the backward reaction rate constant is higher than the forward reaction rate constant by a factor of 2500 , at 1000 K . [Given : R=0.0831 L atm mol−1 K−1\mathrm{R}=0.0831 \mathrm{~L} \mathrm{~atm} \mathrm{~mol}^{-1} \mathrm{~K}^{-1}R=0.0831 L atm mol−1 K−1 ] Kp\mathrm{K}_{\mathrm{p}}Kp​ for the reaction at 1000 K is

Official previous-year question

Held on 30 Apr 2025 · Verified 9 Jul 2026.

Options

  1. A

    83.1

  2. B

    2.077×1052.077 \times 10^52.077×105

  3. C

    0.033

  4. D

    0.021

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