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Reversible ⇌ Reaction

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What is dynamic equilibrium?

a)

The reaction goes forward

b)

The reaction goes backward

c)

The rate of forward and backward reaction is equal

d)

The equilibrium is dynamite

2.

Which of the following does not affect the position of equilibrium?

a)

Temperature

b)

Pressure

c)

Particle Size

d)

Concentration

3.

How does a catalyst affect the position of the equilibrium?

a)

It does not. It only increases the rate of reaction.

b)

Position of equilibrium will shift to the right.

c)

Position of equilibrium will shift to the left.

d)

The reaction would be slower.

4.

What would be the effect of increasing the temperature to the equilibrium of an exothermic reaction?

a)

equilibrium shifts to the left

b)

equilibrium shifts to the right

c)

no change in position of equilibrium

5.

What would be the effect of increasing the temperature to the equilibrium of an endothermic reaction?

a)

equilibrium shifts to the left

b)

equilibrium shifts to the right

c)

no change in position of equilibrium

6.

What would be the effect of increasing the concentration of the product on the position of the equilibrium?

a)

equilibrium shifts to the left

b)

equilibrium shifts to the right

c)

no change in position of equilibrium

7.

What would be the effect of decreasing the concentration of the reactant on the position of the equilibrium?

a)

equilibrium shifts to the left

b)

equilibrium shifts to the right

c)

no change in position of equilibrium

8.

When pressure is increased, the position of the equilibrium will shift to the side that has...

a)

less number of gaseous molecules

b)

more number of gaseous molecules

9.

3H2 (g) + N2 (g) ⇌ 2NH3 (g) ΔH = −197 kJ/mol

Which of the following factors would shift the equilibrium position to the right? (Choose 2)

a)

increase concentration of nitrogen gas

b)

increase temperature of the equilibrium

c)

increase pressure of the equilibrium

d)

Presence of a catalyst

10.

H2 (g) + I2 (g) ⇌ 2HI (g)

What would be the effect of increasing the pressure on the position of equilibrium?

a)

equilibrium shifts to the right

b)

equilibrium shifts to the left

c)

no change in position of equilibrium