Chemistry Quiz on Chemical Kinetics for IIT JEE, NEET, Medical & Engineering Exam 2021

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Quiz on Chemical Kinetics
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Chemistry Quiz on Chemical Kinetics

Chemistry Quiz on Chemical Kinetics: NEET/JEE Chemistry is considered to be the most scoring subject. As it is one of the easiest scoring subjects, it is often ignored and undermined a subject. But if you want to get an edge over others, here is a tip, master NEET/JEE Chemistry concepts. Chemistry demands the attention of students in understanding reactions and concrete basic understanding but once done it only gets easier from there. Mastering NCERT syllabus for NEET/JEE Chemistry should be topping your list of to-do for chemistry. In this post we are providing you Chemistry quiz on Chemical Kinetics.

Chemistry Quiz on Chemical Kinetics

1. In the reaction 2A + B → A2B, if the concentration of A is doubled and that of B is halved, then the rate of the reaction will

  1. increase 2 times
  2. increase 4 times
  3. decrease 2 times
  4. remain the same

View Answer

(1)increase 2 times

2. when the rate of the reaction is equal to the rate constant, the order of the reaction is

  1. zero order
  2. first order
  3. second order
  4. third order

View Answer

(1)zero order

3. A substance ‘A’ decomposes by a first-order reaction starting initially with [A] = 2.00M and after 200min, [A] becomes 0.15M. For this reaction t1/2 is

  1. 53.72 min
  2. 50.49 min
  3. 48.45 min
  4. 46.45 min

View Answer

(1)53.72 min 

4. In the Haber process for the manufacture of ammonia the following catalyst is used

  1. Platinized asbestos
  2. Iron with molybdenum as a promoter
  3. Copper oxide
  4. Alumina

View Answer

(2)Iron with molybdenum as a promoter

5. A catalyst alters, which of the following in a chemical reaction?

  1. Entropy
  2. Enthalpy
  3. Internal energy
  4. Activation energy

View Answer

(4)Activation energy

6. The rate of a chemical reaction tells us about

  1. the reactants taking part in the reaction
  2. the products formed in the reaction
  3. how slow or fast the reaction is taking place
  4. none of the above

View Answer

(3)how slow or fast the reaction is taking place 

7. In the rate equation, when the concentration of reactants is unity then the rate is equal to

  1. specific rate constant
  2. average rate constant
  3. instantaneous rate constant
  4. None of the above

View Answer

(1)specific rate constant 

8. The average rate and instantaneous rate of a reaction are equal

  1. at the start
  2. at the end
  3. in the middle
  4. when two rates have a time interval equal to zero

View Answer

(4)when two rates have a time interval equal to zero

9. Which of the following observations is incorrect about the order of a reaction?

  1. Order of a reaction is always a whole number
  2. The stoichiometric coefficient of the reactants doesn’t affect the order
  3. Order of reaction is the sum of power to express the rate of reaction to the concentration terms of the reactants.
  4. Order can only be assessed experimentally

View Answer

(1)Order of a reaction is always a whole number 

10. The rate constant of  zero-order reactions has the unit

  1. s-1
  2. mol L-1 s-1
  3. L2 mol-2 s-1
  4. L mol-1 s-1

View Answer

(1)mol L-1 s-1 

 



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