A-Level ChemistryYear 2022Q9
page 04 9. The rate equation for a reaction is rate = k[A]2[B] Which of the following statements is correct for this reaction? A Doubling the concentration of A will double the reaction rate. B Doubling the concentration of B will double the reaction rate. C Doubling the concentration of B will have no effect on the reaction rate. D Doubling the concentration of A and B will have no effect on the reaction rate. 10. The order of a reaction: A depends on the stoichiometry of the overall reaction B is the sequence of steps in the mechanism C controls the speed of the overall reaction D can only be obtained by experiment.
Paper Source:NAH_Chemistry_Section1_2022.pdf
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Exam Specification Info
This question is part of the UK A-Level Chemistry syllabus. In the actual exam, structured questions typically require linking specific keywords to gain full marks. Applaa helps you drill these topics.
Syllabus levelAdvanced Level (A-Level)
SubjectChemistry
Official MarksVariable (2–6 marks)