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Course: IAL Edexcel Linear (Chemistry)
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Curriculum

IAL Edexcel Linear (Chemistry)

Unit 1. Structure, Bonding and Introduction to Organic Chemistry

0/52 Dr Dabour Hub Science Diagram and Course Material

Unit 2. Energetics, Group Chemistry, Halogenoalkanes and Alcohols

0/68 Dr Dabour Hub Science Diagram and Course Material

Unit 4. Rates, Equilibria and Further Organic Chemistry

0/71 Dr Dabour Hub Science Diagram and Course Material

Unit 5. Transition Metals and Organic Nitrogen Chemistry

0/57 Dr Dabour Hub Science Diagram and Course Material
Quiz

4.1 Kinetics – Check yourself

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Kinetics IAL Modular Chemistry check yourself quiz: free practice for IAL Edexcel Modular (chemistry). Work through this Kinetics IAL Modular Chemistry check yourself quiz and get instant feedback on every answer. If you get stuck, review the 4.1 Kinetics — Notes — IAL Chemistry Notes lesson. More practice: IAL Edexcel Modular (chemistry) — all units. Syllabus: Pearson Edexcel International A Levels.

1.
Which graph shows a first-order reactant?
Horizontal rate-conc. line
Straight line rate-conc. through origin
Straight line conc.-time
Parabolic rate-conc.
2.
The units of k for rate = k[A]2 are:
s-1
mol dm-3 s-1
dm3 mol-1 s-1
dm6 mol-2 s-1
3.
Doubling [X] quadruples the rate. The order with respect to X is:
2
0
1
4
4.
Iodination of propanone is zero order in iodine. This means:
Iodine is a catalyst
Iodine is not involved in the rate-determining step
Iodine reacts fastest
The reaction has no mechanism
5.
Which changes the value of k?
Concentration
Volume of solution
Mass of reactant
Temperature
6.
Why are samples quenched in the continuous monitoring method?
To stop the reaction before analysis
To speed up the reaction
To change the order
To add a catalyst
7.
Which statement best describes Half-life?
The proportionality constant in the rate equation; it changes with temperature.
The rate at the very start of a reaction (t = 0), found from the gradient of a tangent.
The time taken for the concentration of a reactant to fall to half its initial value.
The power to which the concentration of a reactant is raised in the rate equation.
8.
Which statement best describes Rate constant (k)?
The series of elementary steps by which a reaction proceeds.
The proportionality constant in the rate equation; it changes with temperature.
The rate at the very start of a reaction (t = 0), found from the gradient of a tangent.
The time taken for the concentration of a reactant to fall to half its initial value.
9.
Which statement best describes Mechanism?
The power to which the concentration of a reactant is raised in the rate equation.
An expression rate = k[A]m[B]n linking rate to reactant concentrations, found by experiment.
The series of elementary steps by which a reaction proceeds.
The slowest step in a reaction mechanism, which controls the overall rate.
10.
Which statement best describes Rate-determining step?
The slowest step in a reaction mechanism, which controls the overall rate.
An expression rate = k[A]m[B]n linking rate to reactant concentrations, found by experiment.
The sum of the individual orders in the rate equation.
The time taken for the concentration of a reactant to fall to half its initial value.
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