1.
The burning of coal represented by the equation; The rate of this reaction is increased by:
2.
At room temperature, the reaction between and to give is fast, while that between and is slow. It is due to:
3.
The rate of first order reaction is at 0.5 M concentration of the reactant. The half-life of reaction is
4.
The rate constant of a first order reaction at is . The temperature coefficient of this reaction is 2. What is the rate constant (in ) at for this reaction?
5.
The minimum energy required for the reacting molecules to undergo reaction is
6.
The decomposition of occur as and follows Ist order kinetics, hance
7.
The rate of a chemical reaction doubles for every rise of temperature. If the temperature is raised by 50, the rate of the reaction increases by about
8.
Which of the following statement is incorrect about the molecularity of a reaction?
9.
For a reaction Products, the rate of the reaction was doubled when the concentration of was doubled. When the concentration of and were doubled, the rate was again doubled, the order of the reaction with respect to and are:
10.
An exothermic chemical reaction occurs in two steps as follows
(I) A+B→X (fast)
(II) X→AB (slow)
The progress of the reaction can be best represented by