Chemical Kinetics Test
Chemical Kinetics
This is chemical kinetics Test-02 for CBSE class 12 Chemistry.. There are 15 questions in this test with each question having around four answer choices.
Questions & Answers
1
The expression which relates the rate of reaction to the concentration of the reactants are called
- ARate constant
- BRate lawCorrect
- CDifferential rate equation
- DHalf life
2
The rate is independent of the concentration of the reactants in
- AZero orderCorrect
- BSecond order
- CFirst order
- DThird order
3
The constant k used in rate equation is known as
- AVelocity constantCorrect
- BReaction constant
- COrder constant
- DDistance constant
4
The radioactive isotope used in determining the age of organic substances is
- ANitrogen – 14
- BCarbon – 14Correct
- CNitrogen – 15
- DCarbon – 12
5
A reaction whose order is different from the actual due to large excess concentration of one of the reactants is called
- AFirst order reaction
- BPseudo – order reactionCorrect
- CSecond order reaction
- DZero order reaction
6
The substance that slows down the reaction without being consumed is known as
- AHormones
- BCatalysis
- CInhibitorsCorrect
- DPositive catalyst
7
Which among the following statement is not true for catalyst?
- AThey changes the equilibrium constantCorrect
- BSmall quantity is used to carry out reaction
- CThey are not consumed by the reaction
- DThey increases or decreases the rate of reaction
8
The relationship between temperature and rate constant is given by the relation:${\text{k = A}}{{\text{e}}^{{\text{ - }}{{\text{E}}_{\text{a}}}/{\text{RT}}}}$ A represent
- AArrhenius factorCorrect
- BHalf life
- CRate constant
- DActivation energy
9
Collision theory is applicable to
- AFirst order reaction
- BBimolecular reactionCorrect
- CZero order reaction
- DPseudo order reaction
10
The role of catalyst in a chemical reaction is to change the
- AEquilibrium constant
- BActivation energyCorrect
- CArrhenius factor
- DRate constant
11
Rate of ionic reactions are generally
- AVery fastCorrect
- BSlow
- CModerate
- DVery slow
12
The metabolism of hormones in human body is an example of
- APseudo first order reactionCorrect
- BSecond order reaction
- CPseudo second order reaction
- DFirst order reaction
13
If a reaction proceeds with a uniform rate throughout, the reaction is
- AThird order
- BSecond order
- CZero orderCorrect
- DFirst order
14
Rate of reaction does not remain constant throughout because
- ATemperature of reactants keep on changing
- BVolume of reactants keep on changing
- CConcentration of reactants keep on changingCorrect
- DDensity of reactants keep on changing
15
The reaction$A{\text{ }} + {\text{ }}2 \to {\text{ }} + {\text{ }}D$ obeys the rate equation$Rate{\text{ }} = {\text{ }}k{\left[ a \right]^x}{\left[ b \right]^y}$what would be the order of this reaction?
- Ax + yCorrect
- Bx – y
- Cx
- DCannot be predicted with the equation