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Cambridge AS & A Level Chemistry

AA Level subject content

A Level subject content in Cambridge AS & A Level Chemistry: what the syllabus expects you to know, the learning objectives and how to practise.
Syllabus section882 practice questions41 lessons

Overview

Topics 23-37: A Level only; examined in Paper 4 (AS Level content assumed).

In this topic

Lessons

  • Buffer solutions

    50 min

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  • pH, pOH and the ionic product of water

    45 min

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  • Solubility product and the common ion effect

    45 min

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  • Weak acids and bases: Ka, pKa, Kb and pKb

    35 min

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  • Electrophilic substitution in arenes

    45 min

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  • Reactions of benzene and methylbenzene

    50 min

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  • Acidity of carboxylic acids and their further reactions

    50 min

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  • Condensation polymers: polyesters and polyamides

    45 min

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  • Electrolysis: predicting the products

    40 min

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  • Quantitative electrolysis and the Faraday constant

    45 min

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  • Transition elements: definition, electron configurations and general properties

    45 min

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  • Halogenoarenes, fluoroalkanes and CFCs

    45 min

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  • Lattice energy and Born-Haber cycles

    45 min

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  • Multi-step synthesis with A Level reactions

    55 min

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  • Amines: preparation and basicity

    50 min

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  • Group 2: explaining thermal stability and solubility

    45 min

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  • Rate equations, orders and half-life

    55 min

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  • Reaction mechanisms and the rate-determining step

    45 min

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  • Paper, thin-layer and column chromatography

    45 min

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  • Enthalpies of solution and hydration

    35 min

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21 more lessons in this topic. Join to read every lesson, or see what Full access includes.

Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

A Level subject content: sample question

1 mark

In an ethanoic acid–sodium ethanoate buffer, which species removes most of a small amount of added hydrochloric acid?

Choose one answer

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