Preparation and solution of chemistry 1st-year mcqs are considered tough enough. MCQs of chemistry 1st year are not such simple as other's books. Chemistry MCQs need a special and comprehensive explanation for solutions. So, here you are given a concept review of the most important mcqs of chemistry 1st year.
Download or Preview chemistry 1st-year mcqs with answers to Chapter 11 Reaction Kinetics. These mcqs are also important for the preparation of the Entrance exam UHS NMDCAT and UET.
Chemistry 1st year mcqs Importance
It is a tough and difficult task to solve chemistry 1st-year mcqs. Students
must need full conceptual knowledge of chemistry 1st-year mcqs for excellent
marks in chemistry 1st year. All the important mcqs of chemistry 1st year of chapter 11 Reaction Kinetics are here for you. These questions are taken from past
papers of 1st-year chemistry of all Punjab Board of Pakistan as ;
Bahawalpur Board
D.G.Khan Board
Faisalabad Board
Gujranwala Board
Lahore Board
Multan Board
Rawalpindi Board
Post is created and designed with intense care and diligence.
These questions (MCQs) are top repetitive in chemistry 1st year Past Papers. Each
question has a detailed answer explanation. In this way, you learn mcqs of chemistry 1st year, Comprehensively.
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Questions are based on the current chemistry 1st-year syllabus according
to Punjab Textbook Board.
About This Chapter
Chapter no. 11 Reaction Kinetics of chemistry 1st year enables the students to learn.
- Introduction to reaction kinetics
- Rate of reaction
- Rate constant of a reaction
- Zero order reaction
- First-order reaction
- Second-order reaction
- Third-order reaction
- Fractional order reaction
- Half-life period
- Energy of activation
- Finding the order of reaction
- Factors affecting the rate of reaction
- Catalyst and catalysis
- Homogeneous catalysis and heterogeneous catalysis
- Characteristics of a catalyst
This Post "Chemistry 1st year mcqs Chapter 11 Reaction Kinetics" covers all important MCQs that are top repetitive
in past papers relevant to the above-mentioned topics.
👉For Answers to the following questions click the show answer button.
1. The minimum amount of energy required for an effective collision is called:
(A) Activation energy
(B) Internal energy
(C) Translational energy
(D) None of these
(A) Activation energy
2. Hydrolysis of tertiary butyl Bromide has an order of reaction:
(A) First
(B) Pseudo first
(C) Third Order
(D) Zero Order
(B) Pseudo first
3. All radioactive disintegration nuclear reactions are of :
(A) First order
(B) Pseudo first
(C) Third Order
(D) Zero Order
(A) First order
4. The order of decomposition of Nitrogen pentoxide is
(A) First order
(B) Pseudo first
(C) Third Order
(D) Second Order
(A) First order
5. The unit of rate constant is the same as the rate of reaction in:
(A) First order reaction
(B) 2nd order reaction
(C) 3rd order reaction
(D) zero order reaction
(D) zero order reaction
6. Velocity constant is elastic constant is the rate of reaction when the concentration of two reactants are:
(A) Three
(B) Two
(C) One
(D) Unity
(D) Unity
7. In zero-order reaction, the rate is independent of:
(A) Temperature of reaction
(B) Concentration of reactants
(C) Concentration of products
(D) All of these
(C) Concentration of products
8. The rate of reaction
(A) Remains the same
(B) Increases as the reaction proceeds
(C) Decreases as the reaction proceeds
(D) Not specific trend
(C) Decreases as the reaction proceeds
9. Photosynthesis is
(A) First order reaction
(B) 2nd order reaction
(C) 3rd order reaction
(D) zero order reaction
(A) First order reaction
10. The equation K=Ae-Ea/RT is called:
(A) General gas equation
(B) Arrhenius equation
(C) Rate law
(D) Rate equation
(B) Arrhenius equation
11. A substance that makes the catalyst effective is:
(A) Retarder
(B) Inhibitor
(C) Promotor
(D) Auto catalyst
(C) Promotor
12. Glucose is converted into ethanol by the enzyme:
(A) Lipase
(B) Zymase
(C) Urease
(D) Invertase
(B) Zymase
13. Enzyme used in the hydrolysis of sucrose is:
(A) Urease
(B) Invertase
(C) Maltase
(D) Zymase
(B) Invertase
14. Unit of K in first order reaction is:
(A) s-1
(B) mol dm-3
(C) mol-1 dm3
(D) mol-2 dm-3
(A) s-1
15. The rate of a reaction involving ions can be studied by the ---- method.
(A) Electrical conductivity
(B) Dilatometric
(C) Refractometric
(D) None of these
(A) Electrical conductivity
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