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Equilibrium Practice

Total questions: 15

Worksheet time: 13mins

Name
Class
Date
1.

2SO2(g)+O2(g)⇌2SO3(g)

Removing O2(g) will

a)

shift equilibrium right

b)

shift equilibrium left

c)

increase pressure

d)

have no change

2.
For the reaction...
SO2 + O2 <−>  SO3
If the equilibrium shifts to the right, the concentration of O2 will ___________.
a)
increase
b)
decrease
c)
remain the same
d)
double
3.

N2 (g) + 3H2 (g) < -> 2NH3 (g) + Heat

Removing H2

a)

Shift Left

b)

Shift Right

4.

2SO2(g)+O2(g) ⇌ 2SO3(g) + Heat


Increasing the temperature will...

a)

shift equilibrium right

b)

shift equilibrium left

c)

increase pressure

d)

have no change

5.

CoCI42- +6H2O →Co(H2O)62+ + 4CI-.


What would happen when H2O is added?

a)

Position of equilibrium will shift to left (and become more blue)

b)

Position of equilibrium will shift to right (and become more pink)

c)

Keq will increase as H2O is added

d)

Position of equilibrium will shift to left to reduce the added H2O

6.

2SO2(g)+O2(g) ⇌ 2SO3(g) + Heat


Adding SO2(g) will

a)

shift equilibrium right

b)

shift equilibrium left

c)

increase rate of reaction

d)

have no change

7.

2SO2(g)+O2(g) ⇌ 2SO3(g) + Heat


Adding SO3(g) will

a)

shift equilibrium right

b)

shift equilibrium left

c)

increase K

d)

have no change

8.

Heat + 1 N2O4 → 2 NO2


What will happen when the temperature is increased?

a)

Position of equilibrium will shift to left and become lighter in color

b)

Position of equilibrium will shift to right and become more brown

c)

No change in position of equilibrium

d)

Position of equilibrium will shift to right and become lighter in color

9.

CoCI42- +6H2O →Co(H2O)62+ + 4CI- + Heat


What will happen when the temperature is increased?

a)

Position of equilibrium will shift to left and become more blue

b)

Position of equilibrium will shift to right and become more pink

c)

No change in position of equilibrium

d)

Position of equilibrium will shift to left and become more pink

10.

Suggest a way to increase the concentration of C2H6.

a)

increase the concentration C2H4

b)

decrease the concentration H2

c)

decrease concentration of C2H4

d)

increase the temperature

11.

What happens to the equilibrium if we add methane (CH4)?

a)

It shifts left, towards the reactants

b)

It shifts right, towards the products

c)

It does not shift

12.

What happens to the equilibrium if we remove water (H2O)?

a)

It shifts left, towards the reactants

b)

It shifts right, towards the products

c)

It does not shift

13.

What happens to the equilibrium if we remove heat?

a)

It shifts left, towards the reactants

b)

It shifts right, towards the products

c)

It does not shift

14.

If some CO2 is added to the following reaction which way will it shift?

5CO + I2O5 ↔ I2 + 5CO25CO\ +\ I2O5\ \leftrightarrow\ I2\ +\ 5CO2  

a)

Toward the products

b)

Toward the reactants

c)

No Shift

15.

If some I2 is removed from the following reaction how will the equilibrium shift?

5CO + I2O5 ↔ I2 + 5CO25CO\ +\ I2O5\ \leftrightarrow\ I2\ +\ 5CO2

a)

Toward the Products

b)

Toward the reactants

c)

No Shift