Chemistry Archives - Page 22 of 38

IB DP Chemistry R3.2 L3 | Redox Trends and Displacement Evidence | Lesson Walkthrough

Use displacement observations to infer redox trends and compare reactivity.

Explain reactions of reactive metals with acids using redox ideas.

Identify anodes and cathodes and compare electrode polarity in different electrochemical cells.

Interpret titration curves involving strong and weak acids and bases.

Explain acid-base indicators as weak-acid equilibria and relate colour to pH.

Select suitable indicators and distinguish the end point from the equivalence point.

Explain how buffer solutions resist pH changes when small amounts of acid or base are added.

Calculate buffer pH and composition using acid-base equilibrium relationships.

Relate conjugate acid and base strengths using Ka, Kb and Kw.

Predict the pH of salt solutions using hydrolysis and acid-base equilibria.