(B) The rate of reaction is given by the expression: Rate $= -\frac{d[N_2]}{dt} = -\frac{1}{3} \frac{d[H_2]}{dt} = \frac{1}{2} \frac{d[NH_3]}{dt}$ To

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$-\frac{2}{3} \frac{d[H_2]}{dt}$

(B) The rate of reaction is given by the expression: Rate $= -\frac{d[N_2]}{dt} = -\frac{1}{3} \frac{d[H_2]}{dt} = \frac{1}{2} \frac{d[NH_3]}{dt}$ To find $d[NH_3]/dt$,we equate the terms involving $H_2$ and $NH_3$: $-\frac{1}{3} \frac{d[H_2]}{dt} = \frac{1}{2} \frac{d[NH_3]}{dt}$ Multiplying both sides by $2$: $\frac{d[NH_3]}{dt} = -\frac{2}{3} \frac{d[H_2]}{dt}$

Class 12 Chemistry Chemical Kinetics Rate of a reaction

Medium

For the reaction $N_2 + 3H_2 \to 2NH_3$,which of the following represents the correct expression for $d[NH_3]/dt$?

A
$\frac{2}{3} \frac{d[H_2]}{dt}$
B
$-\frac{2}{3} \frac{d[H_2]}{dt}$
C
$-\frac{d[N_2]}{dt}$
D
$-\frac{3}{2} \frac{d[H_2]}{dt}$

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Chemical Kinetics

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Rate of a reaction

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Consider the reaction: $N_{2(g)} + 3H_{2(g)} \rightarrow 2NH_{3(g)}$. The equality relationship between $\frac{d[NH_3]}{dt}$ and $\frac{d[H_2]}{dt}$ is

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The differential rate law for the reaction $H_2 + I_2 \to 2HI$ is:

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For the chemical reaction $N_2 + 3H_2 \rightarrow 2NH_3$,the rate of reaction can be expressed in terms of the derivatives of the concentrations of $N_2$,$H_2$,or $NH_3$. Write the correct relationship between the rate expressions.

Difficult

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For the reaction $2N_2O_5 \rightarrow 4NO_2 + O_2$,if the concentration of $NO_2$ increases by $1.6 \times 10^{-2} \ M$ in $4 \ seconds$,what is the rate of formation of $NO_2$?

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For the reaction $N_2 + 3H_2 \to 2NH_3$,which of the following represents the correct expression for $d[NH_3]/dt$?

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Which of the following is the fastest reaction?

Consider the reaction: $N_{2(g)} + 3H_{2(g)} \rightarrow 2NH_{3(g)}$. The equality relationship between $\frac{d[NH_3]}{dt}$ and $\frac{d[H_2]}{dt}$ is

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For the chemical reaction $N_2 + 3H_2 \rightarrow 2NH_3$,the rate of reaction can be expressed in terms of the derivatives of the concentrations of $N_2$,$H_2$,or $NH_3$. Write the correct relationship between the rate expressions.

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