H2 Chemistry Notes: EXTENSION TOPICS, Topic 10 - Chemistry of Aqueous Solutions

Q: What does H2 Chemistry Notes: EXTENSION TOPICS, Topic 10 - Chemistry of Aqueous Solutions cover?
A: Understand ionic equilibria, solubility products, hydrolysis, complex ion formation, and qualitative analysis for the extension topic Chemistry of Aqueous Solutions.

This extension topic examines how ions behave in water-precipitation, hydrolysis, and complex formation underpin analytical chemistry questions in Papers 1–3 (and show up in Paper 4 through qualitative analysis and complex-ion work).

Keep the broader revision map handy at https://eclatinstitute.sg/blog/h2-chemistry-notes.

Status: SEAB H2 Chemistry (9476, first exam 2026) syllabus and Chemistry Data Booklet last checked 2026-01-13 (both PDFs last modified 2026-01-13). Extension Topic 10 remains assessed across Papers 1–4 (data booklet used in Papers 1–3, not Paper 4 practical).

1 Solubility Product $K_{sp}$

For sparingly soluble salt $\ce{AB(s) \leftrightharpoons A^+(aq) + B^-(aq)}$