List of top Chemistry Questions on Order of Reaction

At \(1130\,K\), the decomposition of ammonia on Pt catalyst follows zero order kinetics. The rate of this reaction at \(t=10\) min is \(x\ mol\,L^{-1}\,min^{-1}\). What will be its rate (in \(mol\,L^{-1}\,min^{-1}\)) at \(t=20\) min, at the same temperature?
For a zero-order reaction, where \(k = 1.0\ mol\ L^{-1}\ min^{-1}\). If the initial concentration of A is \(2\ M\), then the time taken for completion of \(75\%\) of the reaction will be
The overall order of the following reaction is $KClO_3 + 6FeSO_4 + 3H_2SO_4 \rightarrow KCl + 3Fe_2(SO_4)_3 + 3H_2O$
The first order reaction \(N_2O_5 \to 2NO_2 + 1/2 O_2\), is carried out in a closed container and there were no products initially. When it is heated at constant volume the final pressure of the system on 75% completion of the reaction is
શૂન્ય-ક્રમ (zero-order) પ્રતિક્રિયા માટે, \( k = 1.0 \) mol L⁻¹ min⁻¹ છે. જો A ની પ્રારંભિક સાંદ્રતા \( [A]_0 = 2 \) M હોય, તો પ્રતિક્રિયાના 75% પૂર્ણ થવા માટે જરૂરી સમય છે:

The cycloalkene (X) on bromination consumes one mole of bromine per mole of (X) and gives the product (Y) in which C : Br ratio is \(3:1\). The percentage of bromine in the product (Y) is _________ % (Nearest integer). 
Given: 
\[ \text{H} = 1,\quad \text{C} = 12,\quad \text{O} = 16,\quad \text{Br} = 80 \]

Ammonium ion ($NH_4^+$) reacts with nitrite ion ($NO_2^-$). Based on the experimental data provided, which of the following is the rate law? ________.
Which of the following is an example of second order reaction?
Identify the order of following reaction: $2\text{NO}_{2}(g)\rightarrow2\text{NO}(g)+\text{O}_{2}(g)$.

The following data were obtained for the reaction: \[ 2NO(g) + O_2(g) \rightarrow 2N_2O(g) \] at different concentrations: 

 The rate law of this reaction is:

A reaction is of second order with respect to a reactant. How is the rate of reaction affected if the concentration of the reactant is (i) doubled, (ii) reduced to half?
For a first-order reaction, the ratio of time required is $ \frac{t_1}{t_2} $, if $ t_1 $ is the time consumed when reactant reaches $ \frac{1}{4} $ of initial concentration and $ t_2 $ is the time when it reaches $ \frac{1}{8} $ of initial concentration.
For a first-order reaction, the slope of the graph between \(\log[A]\) vs time is equal to:
Which of the following plots gives a straight line for a zero-order reaction?
For a first-order reaction, the concentration of a reactant decreases from 0.8 M to 0.4 M in 20 minutes. What is the half-life of the reaction? (Use $\ln 2 = 0.693$)
Which of the following equation exhibits integrated rate law equation for first order reaction?

For a first-order reaction, the concentration of reactant was reduced from 0.03 mol L\(^{-1}\) to 0.02 mol L\(^{-1}\) in 25 min. What is its rate (in mol L\(^{-1}\) s\(^{-1}\))? 

Consider the two different first-order reactions given below: \[\text{A + B} \rightarrow \text{C (Reaction 1)} \\\text{P} \rightarrow \text{Q (Reaction 2)}\]The ratio of the half-life of Reaction 1 : Reaction 2 is $5 : 2$. If $t_1$ and $t_2$ represent the time taken to complete $\frac{2}{3}^\text{rd}$ and $\frac{4}{5}^\text{th}$ of Reaction 1 and Reaction 2, respectively, then the value of the ratio $t_1 : t_2$ is ____ $\times 10^{-1}$ (nearest integer).[Given: $\log_{10}(3) = 0.477$ and $\log_{10}(5) = 0.699$]
Consider the following reaction
\[A + B \rightarrow C\]
The time taken for A to become 1/4th of its initial concentration is twice the time taken to become 1/2 of the same. Also, when the change of concentration of B is plotted against time, the resulting graph gives a straight line with a negative slope and a positive intercept on the concentration axis.
The overall order of the reaction is ____.
The rate constant of a reaction is $ K = 3.28 \times 10^{-4} \, \text{s}^{-1} $. Find the order of the reaction.
The magnetic behavior of Li2O, Na2O2 and KO2, respectively, are
The bond dissociation energy is highest for
The correct order of reactivity of following haloarenes towards nucleophilic substitution with aqueous NaOH is 
order of reactivity of following haloarenes
Choose the correct answer from the options given below:
A molecule undergoes two independent first order reactions whose respective half lives are 12 min and 3 min. If both the reactions are occurring then the time taken for the 50% consumption of the reactant is _____ min. (Nearest integer)
The correct order of the number of unpaired electrons in the given complexes is
A. \([Fe(CN)_6]^{3–}\)
B. \([FeF_6]^{3–}\)
C. \([CoF_6]^{3–}\)
D. \([Cr(oxalate)_3]^{3–}\)
E. \([Ni(CO)_4]\)
Choose the correct answer from the options given below: