Post Utme Chemistry Questions
Question 576:
A catalyst added to a system at equilibrium will:
- A Speed up both reactions equally
- B Change equilibrium position permanently
- C Stop the reverse reaction completely
- D Increase product concentration only
Question 578:
In the Haber process:<br/>N₂(g) + 3H₂(g) ⇌ 2NH₃(g)<br/>A catalyst increases ammonia production rate by:
- A Lowering activation energy
- B Removing hydrogen molecules
- C Increasing nitrogen pressure
- D Shifting equilibrium position
Question 580:
In the reaction:<br/>N₂(g) + O₂(g) ⇌ 2NO(g)<br/>Increasing temperature favours nitric oxide formation because the reaction is:
- A Pressure dependent fully
- B Catalyst controlled only
- C Endothermic in nature
- D Exothermic in direction