Quiz: How Much You Know About Chemical Equilibrium?

Questions : 10 | Total Attempts: 1022 | Recent Updated: 25-Apr-2020
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When a reversible reaction is performed in a closed container or state is reached when the rate of forwarding and the backward reaction becomes equal. This state is called chemical equilibrium. Chemical equilibrium is part of physical chemistry. Take this quiz and know more about chemical equilibrium.

Questions Excerpt


1. Which statement is not true for chemical equilibrium?

A. It is dynamic in nature.

B. In a reversible reaction it can be approached from either of side

C. Catalyst has effect on it

D. None of these

2. Free energy change at equilibrium is.....

A. 2.5

B. 7.5

C. 9.6

D. 0

3. At equilibrium, the concentration does not change with.......

A. Pressure

B. Temperature

C. Time

D. All of the above

4. Who gives the law of mass action?

A. Einstein

B. Faraday

C. Le Chatelier

D. Guldberg and Waage

5. According to the law of mass action, at a constant temperature, the rate of the chemical reaction is proportional to the product of active masses of .......

A. Number of moles

B. Reactants

C. Both of these

D. None of these

6. Equilibrium constant change with stoichiometry and ........ of the reaction.

A. Pressure

B. Temperature

C. Volume

D. None of the above

7. The equilibrium constant of forwarding and backward reactions are........... related with each other.

A. Inversely

B. Directly

C. Both of these

D. None of these

8. According to which principle, if a system in equilibrium is subjected to change of temperature, pressure, or concentration, the equilibrium is disturbed and shift in the direction in which the effect of changes annulled?

A. Law of mass action

B. Faraday's first law

C. Avogadro's law

D. Le Chatelier's principle

9. At equilibrium, the increase of temperature will make the reaction go in that direction in which heat is.......

A. Released

B. Absorbed

C. Both of these

D. None of these

10. The increase of pressure at equilibrium shifts the system in that direction in which there is a.......

A. Increase in volume

B. Increase in time

C. Decrease in volume

D. Decrease in time

 

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