
A complete, clearly sequenced unit 43 Slides) Topic 8.2 Acids & Bases AS/A Level Chemistry covering Brønsted–Lowry acids and bases, conjugate pairs, strong/weak acids, indicators and titrations with animations and fully worked examples.
This PowerPoint directly addresses the specification points shown on slides 2–3, including:
• Brønsted–Lowry theory of acids and bases (proton donors/acceptors)
• Dissociation of strong and weak acids
• Strong and weak bases & degree of ionisation
• Hydronium ion formation & proton-transfer reactions
• Amphiprotic (amphoteric) substances & water acting as acid/base
• Conjugate acid–base pairs (identifying A/CB and B/CA)
• Predicting acid/base behaviour from equilibrium expressions
• Neutralisation reactions and ionic equations
• Properties of strong vs weak acids (reactivity, pH, conductivity)
• Practical investigation of strong vs weak acids
• Indicators as weak acids, equilibrium shifts & colour-change ranges
• Choosing suitable indicators for different titration types
• pH curves for strong–strong, strong–weak and weak–strong titrations
• End-point selection & interpretation of titration curves
What This Resource Provides
• Fully planned, ready-to-teach PowerPoint
• Clear learning goals and retrieval starter tasks throughout
• Click-in animations to support modelling, annotation and explanation
• Bold, exam-aligned definitions matched to CIE textbook language
• Multiple worked examples of proton-transfer equations
• Detailed diagrams showing dissociation, equilibrium and conjugate pairs
• Practical tasks for comparing strong and weak acids
• Explanation of acid strength vs concentration
• Indicator theory (HIn ⇌ H⁺ + In⁻) with colour-change analysis
• Full titration curve interpretations (strong/strong, strong/weak, weak/strong)
• Guidance on correct indicators for each titration type
• AfL checks, practice questions and exam-style problems
• Suitable for both new and experienced teachers
• Fully aligned to the Cambridge International AS & A Level 9701 specification
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