A2 Chemistry OCR F325 one-mark questions

Relatively simple questions, mostly definitions, that you should all be able to answer easily :)

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Chemistry F325 revision questions
Rates of reaction
1 Define the term rate of reaction.
2 Define the term initial rate of reaction.
3 Define the term order.
4 Define the term rate constant.
5 Explain the effect of temperature change on rate constant and rate of reaction.
6 Define the term half life.
7 Define the term dynamic equilibrium.
8 How do you work out Kc for equilibrium aA + bB <> cC +dD?
9 What does Kc show?
10 Explain the effect of changes in temperature on Kc.
11 Explain the effect of changes in concentration on Kc.
12 Explain the effect of changes in pressure on Kc.
13 Explain the effect of adding a catalyst on Kc.
Acids and bases
14 Define the term BronstedLowry acid.
15 Define the term BronstedLowry base.
16 Complete the equation: acid + carbonate >
17 Complete the equation: acid +base >
18 Complete the equation: acid + alkali >
19 Complete the equation: acid +metal >
20 Define the term acidbase pair.

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Define the term pH.
22 Define the term [H+(aq)]
23 Define the term strong acid.
24 Give some examples of strong acids.
25 Define the term weak acid.…read more

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Explain why first ionisation energy is endothermic.
43 Explain why second ionisation energy is endothermic.
44 Explain why first electron affinity is exothermic.
45 Explain why second electron affinity is endothermic.
46 Define the term standard enthalpy change of solution.
47 Define the term standard enthalpy change of hydration.
48 Explain the effect of ionic charge on enthalpy change of hydration.
49 Explain the effect of ionic radius on enthalpy change of hydration.
50 Define the term standard entropy change of reaction.…read more

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What colour precipitate does Fe3+ and sodium hydroxide form?
63 What colour precipitate does Cu2+ and sodium hydroxide form?
64 Define the term ligand.
65 Define the term bidentate ligand.
66 Define the term complex ion.
67 Define the term coordination number.
68 Define the term stereoisomerism.…read more

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