Post Utme Chemistry Questions
Question 741:
During chemical reactions, particles must collide with proper:
- A Orientation and energy
- B Shape and density
- C Magnetic attraction force
- D Pressure and colour
View Answer & ExplanationQuestion 742:
Reactions occur faster at high concentration because:
- A Molecular motion decreases
- B More effective collisions occur
- C Fewer particles are present
- D Product formation stops
View Answer & ExplanationQuestion 743:
The name “butyne” shows the compound contains:
- A Four carbons double bond
- B Five carbons single bond
- C Four carbons hydroxyl
- D Four carbons triple bond
View Answer & ExplanationQuestion 744:
Which condition increases the chances of effective collisions:
- A Decreased molecular energy
- B Increased reactant concentration
- C Lower particle movement
- D Reduced reactant quantity
View Answer & Explanation