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For the chemical reaction N_2(g)+3H_2(g)⇌ 2NH_3(g), the correct option is:

NEET UG 2019 — Chemistry Physical Chemistry

2019mcqeasy

For the chemical reaction N2(g)+3H2(g)⇌2NH3(g){N}_{2}(g)+3{H}_{2}(g)\rightleftharpoons 2N{H}_{3}(g)N2​(g)+3H2​(g)⇌2NH3​(g), the correct option is:

Official previous-year question

Held on 30 Apr 2019 · Verified 9 Jul 2026.

Options

  1. A

    −13d[H2]dt=−12d[NH3]dt-\frac{1}{3}\frac{d[{H}_{2}]}{dt}=-\frac{1}{2}\frac{d[N{H}_{3}]}{dt}−31​dtd[H2​]​=−21​dtd[NH3​]​

  2. B

    −d[N2]dt=2d[NH3]dt-\frac{d[{N}_{2}]}{dt}=2\frac{d[N{H}_{3}]}{dt}−dtd[N2​]​=2dtd[NH3​]​

  3. C

    −d[N2]dt=12d[NH3]dt-\frac{d[{N}_{2}]}{dt}=\frac{1}{2}\frac{d[N{H}_{3}]}{dt}−dtd[N2​]​=21​dtd[NH3​]​

  4. D

    3d[H2]dt=2d[NH3]dt3\frac{d[{H}_{2}]}{dt}=2\frac{d[N{H}_{3}]}{dt}3dtd[H2​]​=2dtd[NH3​]​

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