From Paper 2: Advanced Organic and Physical Chemistry
4(a)4 marks
Figure 1 shows how [A] changes with time in a reaction. Use the graph to show that the reaction is first order with respect to A and calculate the rate constant.
Figure 1
From Paper 2: Advanced Organic and Physical Chemistry
4(b)3 marks
Describe how a graph can be used to determine the activation energy of a reaction from rate constants at different temperatures.
From Paper 2: Advanced Organic and Physical Chemistry
4(c)3 marks
The hydrolysis of 2-bromo-2-methylpropane has rate = k[C₄H₉Br]. Explain what this tells you about the mechanism.
From Paper 3: General and Practical Principles in Chemistry
4(a)5 marks
Describe how a colorimeter could be used to determine the order of reaction with respect to iodine in the acid-catalysed iodination of propanone.
From Paper 3: General and Practical Principles in Chemistry
4(b)3 marks
The rate equation is rate = k[CH₃COCH₃][H⁺]. Explain what this tells you about the role of iodine in the mechanism.
From Paper 3: General and Practical Principles in Chemistry
11(e)1 mark
The units of a second-order rate constant are:
Score 0 / 19 · 0 of 6 marked
This paper is written by Plasmo in the style of the Edexcel A-Level Chemistry exam. It is not a past paper and is not produced or endorsed by the exam board.
Kinetics II Exam Questions: Edexcel A-Level Chemistry | Plasmo