Post Utme Chemistry Questions
Question 746:
Which factor is explained directly by collision theory:
- A Molecular boiling points
- B Product colour change
- C Particle collision behaviour
- D Electrical conductivity level
Question 747:
Collision frequency refers to the:
- A Amount of activation energy
- B Speed of product formation
- C Number of particle collisions
- D Colour intensity produced
Question 748:
Which statement about effective collisions is correct:
- A They result in successful reactions
- B They always produce precipitates
- C They prevent product formation
- D They reduce reaction temperature
Question 750:
The oxidation number of chromium in CrO₄²⁻ is ____________<br/>i. +6<br/>ii. +3<br/>iii. +7<br/>iv. +4
- A Ii & iii
- B I only
- C Iii & iv
- D I & ii