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This is an MCQ-based quiz on Chemical Kinetics.
This includes the Integration method, Half-life period method, Graphical method, and Ostwald’s isolation method.
A first order reaction has a half life period of 34.65 seconds. Its rate constant is
The unit of rate constant for a zero order reaction is
The value of k for a reaction is 2.96 × 10-30 s-1. What is the order of the reaction?
A reaction is found to be of second order with respect to concentration of carbon monoxide. If concentration of carbon monoxide is doubled, the rate of reaction will
A catalyst increases the speed of a chemical reaction by
Increasing activation energy
Decreasing activation energy
Increasing reactant energy
Decreasing threshold energy
For a reaction nx – y → z the rate of reaction becomes twenty seven times when the concentration of X is increased three times. What is the order of the reaction?
The rate constant of a reaction depends upon
Temperature of the reaction
Extent of the reaction
Initial concentration of the reactants
The time of completion of reaction
The unit of rate and rate constant are same fora
Zero order reaction
First order reaction
Second order reaction
Third order reaction
The number of molecules of the reactants taking part in a single step of the reaction is indicative of
Order of a reaction
Molecularity of a reaction
Fast step of the mechanism of a reaction
Half-life of the reaction
For a unimolecular reaction
The order and molecularity of the slowest step are equal to one
Molecularity of the reaction can be zero, one or two
Molecularity of the reaction can be determined only experimentally
More than one reacting species are involved in one step
If the rate of a reaction is expressed by, rate = A [A]² [B], the order of reaction will be
In a reaction, 2X → Y, the concentration of X decreases from 0.50 M to 0.38 M in 10 min. What is the rate of reaction in Ms-1 during this interval ?
The decomposition of dimethyl ether is a fractional order reaction. The rate is given by rate =k(PCH3OCH3)3/2. If the pressure is measured in bar and time in minutes, then what are the units of rate and rate constant?
A reaction in which reactants (R) are converted into products (P) follows second order kinetics. If concentration of R is increased by four times, what will be the increase in the rate of formation of P?
Which of the following, is an example of a fractional order reaction?
Which of the following is the correct expression for the temperature coefficient (n)?
What happens to the peak of the curve in the Maxwell-Boltzmann distribution graph if temperature increases?
Which of the following represents the Boltzmann factor?
What is R in the equation k = Ae-Ea/RT?
The rate constant of a reaction is 6 × 10-3 s-1 at 50° and 9 × 10-3 s-1 at 100° C. Calculate the energy of activation of the reaction.
