11th Class Chemistry Chapter 7 MCQ Test with Answer

In chapter 7 of 11th chemistry, we study thermodynamics. Thermodynamics is considered as one of the most important and conceptual chapter of chemistry. This is considered as the hard chapter. The students of 11th class question how to prepare this chapter in an easy way. But now, the students don’t need to worry at all as 11th class chemistry MCQs chapter 7 with answers is available here for free. You can understand the concepts of thermodynamics in the best way by these online MCQs tests. This online test session is especially made and available for all students of 11th class for free. Make practice of these tests for better score.

MCQ's Test For Chapter 7 "Reaction Kinetics"

Try The MCQ's Test For Chapter 7 "Reaction Kinetics"

  • Total Questions17

  • Time Allowed20

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Reaction Kinetics

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Question # 1

Enzyme is a

Question # 2

Half life of zero order reaction is

Question # 3

Rate law is an expression involving.

Question # 4

Which unit is common for all orders

Question # 5

The rate determinig step in a multistep reaction is

Question # 6

The order of a chemicla reaction, that is dependent of concentration is.

Question # 7

On Boltzmann distribution curve, the area under the curve represents.

Question # 8

Which one reduces activation energy.

Question # 9

Rate = k [A] ; defines

Question # 10

Catalyst usually act in

Question # 11

Rate of reaction is measured as.

Question # 12

Which factor affects rate of reaction.

Question # 13

How does the presence of a catalyst affect the rate of a chemical reaction 

Question # 14

On an energy profile diagram the presence of a catalyst is represented by 

Question # 15

A reaction mechanism describes

Question # 16

Unit of rate constant for first order reaction is

Question # 17

Rate determining step controls

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MCQs Tests of Chemistry Chapter 7 For 11th Class

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Sr.# Question Answer
1 Rate law is an expression involving.
A. Concentration
B. Pressure
C. Temperature
D. Catalyst
2 In energy profile diagram a catalysts.
A. Increse activation energy
B. Decreases activation energy
C. Provide new pathway
D. Both b and c
3 Enzyme is a
A. Solid catalyst
B. Homogeneous catalyst
C. Biological catalyst
D. Promoter
4 On an energy profile diagram the presence of a catalyst is represented by 
A. A highe rpeak representing the activation energy
B. A lower peak representing the activation energy
C. A change in the energy level of the reactants or products
D. A shift in the equilibrium position
5 At equilibrium Delta G is
A. Zero
B. Positive
C. Negative
D. Maximum
6 Catalyst usually act in
A. Initialion step
B. Rate determining step
C. Fast step
D. Intermeiate formation
7 The units of the rate constant (k) for a reaction depend on the
A. Activation energy of the reaction
B. Temperature of the reaction
C. Overall order of the reaction 
D. Stoichiometry of the balanced chemical equation
8 The rate determinig step in a multistep reaction is
A. The slowest step
B. Always the first step
C. Always the last step
D. The fastest step
9 On Boltzmann distribution curve, the area under the curve represents.
A. Activation energy of the rreaction
B. Total numebr f moleclues in the sample
C. Average kinetic energy of the molecules
D. Rate constant of the reaction
10 Energy profile shows
A. Concentration
B. Temperature
C. Energy vs reaction progress
D. Time
11 In a chemical reaction, a catalyst.
A. Alters Delta H
B. Lowers activation energy
C. Is consumed
D. Forms product
12 Half life formula for 1st order reaction is
A. 0.693 /k
B. k x t
C. 1 /k
D. 2 k
13 Unit of k for second order reaction is
A. mol dm-3
B. s-1
C. mol-1 dm3 s-1
D. mol -2 dm6 s-1
14 Which unit is common for all orders
A. mol dm-3
B. No common unit
C. J mol -1
D. s-1
15 Half life of first order reaction 
A. Become zero
B. Increases with [A]
C. Is independent of [A]
D. Decreases with [A]
16 Unit of half life is
A. mol
B. s
C. mol dm-3
D. J
17 Effect of temperature on rate is 
A. Negligible
B. Linear
C. Exponential
D. Logarithmic

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