Q1ChemistryUnit 8: Chemical Kinetics
of the first-order reaction is
completed in 70 minutes. The velocity
constant of the reaction is:
Chemistry · JEE
Easy Differential and integral forms of zero and first-order reactions, their characteristics and half-lives MCQs for JEE
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Syllabus context
Part of Chemical Kinetics in JEE Main Chemistry.
- Rate of a chemical reaction, factors affecting the rate of reactions: concentration, temperature, pressure and catalyst
- Elementary and complex reactions, order and molecularity of reactions, rate law, rate constant and its units
- Differential and integral forms of zero and first-order reactions, their characteristics and half-lives
- The effect of temperature on the rate of reactions, Arrhenius theory, activation energy and its calculation, collision theory of bi-molecular gaseous reactions (no derivation)
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Q2ChemistryUnit 8: Chemical Kinetics
Which of the following statement is incorrect about the reaction?
Q3ChemistryUnit 8: Chemical Kinetics
For a general reaction the plot
of conc. of vs time is given in the
figure. What is the order of the reaction
and what are the units of rate constant?
Q4ChemistryUnit 8: Chemical Kinetics
The units of rate of reaction and the rate
constant are identical for a
Q5ChemistryUnit 8: Chemical Kinetics
Assertion
For the reaction
ROH Na , the rate of reaction is
reduced to half on reducing the concentration of RCl to half.
Reason
The rate of the reaction is represented by k[RCl], i.e., it is a first order reaction.
Q6ChemistryUnit 8: Chemical Kinetics
In a first order reaction with time the
concentration of the reactant
decreases:
Q7ChemistryUnit 8: Chemical Kinetics
The rate constant of a first order
reaction is 0.0693 min
Time (in minutes) required for reducing
an initial concentration of 20 mol
to 2.5 mol is :
Q8ChemistryUnit 8: Chemical Kinetics
For a reaction the
rate constant for the reaction is
min At what concentration
of will at the rate of reaction be
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