For the chemical reaction N _ 2 ( ~g )+3 H _ 2 ( ~g ) 2 NH _ 3 ( ~g ) The correct option…

Chemistry · NEET · NTA Exams — Chemical Kinetics

For the chemical reaction

\(\mathrm{N}_{2}(\mathrm{~g})+3 \mathrm{H}_{2}(\mathrm{~g}) \rightleftharpoons 2 \mathrm{NH}_{3}(\mathrm{~g})\)

The correct option is:

\(-\frac{1}{3} \frac{d\left[\mathrm{H}_{2}\right]}{d t}=-\frac{1}{2} \frac{d\left[\mathrm{NH}_{3}\right]}{d t}\)
\(-\frac{d\left[N_{2}\right]}{d t}=Z \frac{d\left[N H_{3}\right]}{d t}\)
\(-\frac{\mathrm{d}\left[\mathrm{~N}_{2}\right]}{\mathrm{dt}}=\frac{1}{2} \frac{\mathrm{~d}\left[\mathrm{NH}_{3}\right]}{\mathrm{dt}}\)
\(3 \frac{d\left[\mathrm{H}_{2}\right]}{d t}=2 \frac{d\left[\mathrm{NH}_{3}\right]}{d t}\)

Answer

(C) - d [ ~N _ 2 ] dt = 1 2 ~d [ NH _ 3 ] dt

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