Pressure and Chemical Equilibrium

Q.

What happens to the solubility in an exothermic process in regard to temperature?

Q.

Consider the given reaction:

$2S{O}_2\left(g\right)+O_2\left(g\right)\leftrightharpoons 2S{O}_3\left(g\right)+heat$

What will happen if the pressure of the reacting system is decreased?

1. The reaction shifts in the direction of more number of gas molecules.

2. The reaction shifts in the direction of a lesser number of gas molecules.

3. A forward reaction will be favored.

4. The new reaction mixture will contain more of sulphur trioxide.

Q. Complete and balance the following equation: Cu + HNO₃ $\stackrel{}{\to }$ NO₂ + ........ + ........

Q.

For a reversible system, what happens when the pressure of the reacting system in equilibrium is increased:

1. All of the above

2. 

3. 

4. 

Q.

Consider the given reaction:

$2S{O}_2\left(g\right)+O_2\left(g\right)\leftrightharpoons 2S{O}_3\left(g\right)+heat$

What will happen if the pressure of the reacting system is decreased?

1. The reaction shifts in the direction of more number of gas molecules.

2. A forward reaction will be favored.

3. The new reaction mixture will contain more of sulphur trioxide.

4. The reaction shifts in the direction of a lesser number of gas molecules.

Q.

Analyze the given reaction below:

${\text{H}}_2\text{(g)}+{\text{I}}_2\text{(g)}\leftrightharpoons \text{2HI (g)}$

The given reaction is in chemical equilibrium. Which of the following factor will not have any effect on the given reaction?

1. Increase in the concentration of the reactants
2. Increase in the pressure of the gases
3. Increase in the concentration of the products
4. Increase in the temperature of the reaction

Q.

Consider the reaction- N2 (g) + 3H2 (g) = 2NH3 + heat.

Indicate the direction in which the equilibrium will shift when

(a) temperature is increased.

(b) pressure in increased.

Q.

Consider the given reaction:

$N_2\left(g\right)+3H_2\left(g\right)\leftrightharpoons 2N{H}_3\left(g\right)$

What will happen if the pressure of the reacting system is increased?

1. The new reaction mixture will contain more ammonia.
2. A backward reaction will be favored.
3. A forward reaction will be favored.
4. The new reaction mixture will contain more nitrogen and hydrogen.

Q. Analyze the given reaction below:

${\text{H}}_2\text{(g)}+{\text{I}}_2\text{(g)}\leftrightharpoons \text{2HI (g)}$

The given reaction is in chemical equilibrium. Which of the following factor will not have any effect on the given reaction?

1. Increase in the concentration of the reactants
2. Increase in the concentration of the products
3. Increase in the pressure of the gases
4. Increase in the temperature of the reaction

Q.

Choose the correct statements.

1. The rate of a reaction can be expressed in terms of the amount of any one of the reactants being consumed in unit time.

2. The rate of a reaction can be expressed in terms of the amount of any one of the products formed within a specific period of time.

3. The rate of a reaction does not depends on the reactants beings consumed in unit time.

4. The rate of a reaction does not depends on the products formed within a specific period of time.

Q.

For a reversible system, when the pressure of the reacting system in equilibrium is decreased then the system shifts to the side of the reaction with a fewer number of gas molecules.

1. True

2. False

Q. For a reversible system, when the pressure of the reacting system in equilibrium is increased then the system shifts to the side of the reaction with a fewer number of gas molecules.

1. True
2. False

Q.

For a reversible system, when the pressure of the reacting system in equilibrium is increased then

1. the reaction shifts in the direction of more number of molecules.

2. the reaction shifts in the direction of a lesser number of molecules.

3. the reacting system will remain in equilibrium.

4. there is no effect of pressure on the reacting species.

Q.

For a reversible system, when the pressure of the reacting system in equilibrium is decreased then the system shifts to the side of the reaction with a fewer number of gas molecules.

1. True

2. False

Q.

Analyze the given reaction below:

${\text{H}}_2\text{(g)}+{\text{I}}_2\text{(g)}\leftrightharpoons \text{2HI (g)}$

The given reaction is in chemical equilibrium. Which of the following factor will not have any effect on the given reaction?

1. Increase in the concentration of the reactants
2. Increase in the concentration of the products
3. Increase in the pressure of the gases
4. Increase in the temperature of the reaction

Q.

Consider the given reaction:

$N_2\left(g\right)+3H_2\left(g\right)\leftrightharpoons 2N{H}_3\left(g\right)$

What will happen if the pressure of the reacting system is increased?

1. The new reaction mixture will contain more ammonia.
2. A backward reaction will be favored.
3. A forward reaction will be favored.
4. The new reaction mixture will contain more nitrogen and hydrogen.

Q.

discuss the effect of catalyst and addingof inert gas at constant pressure for the reaction.

2so2(g)+o2(g)=2so3(g)

Q. Chemical equilibrium is dynamic in nature because

1. Equilibrium is maintained rapidly
2. The concentration of reactants and products become same at equilibrium
3. The concentration of reactants and products are constant but different
4. Both forward and backward reactions occur at all times with same speed

Q.

For a reversible system, when the pressure of the reacting system in equilibrium is increased then

1. the reaction shifts in the direction of more number of molecules.

2. the reaction shifts in the direction of a lesser number of molecules.

3. the reacting system will remain in equilibrium.

4. there is no effect of pressure on the reacting species.

Q.

Consider the given reaction:

$2S{O}_2\left(g\right)+O_2\left(g\right)\leftrightharpoons 2S{O}_3\left(g\right)+heat$

What will happen if the pressure of the reacting system is decreased?

1. The reaction shifts in the direction of more number of gas molecules.

2. The reaction shifts in the direction of a lesser number of gas molecules.

3. A forward reaction will be favored.

4. The new reaction mixture will contain more of sulphur trioxide.