Join WhatsApp ChannelDaily MCQs & Exam Updates
Chemistry Hard PPSC Uploaded: 04 Sep 2026

What is the order of a reaction if rate is proportional to the square of reactant concentration?

  • A Second order
  • B Zero order
  • C First order
  • D Third order
Correct Answer: Option A — Second order
Explanation:
A reaction is second order with respect to a reactant if its rate is proportional to the square of that reactant's concentration, meaning doubling the concentration quadruples the reaction rate.
0 views Back to Chemistry
Submitted by: PaperMCQs
Related MCQs