ACT SSC Chemistry — Unit 4
Redox Reactions — Flashcards & Quiz
Redox reactions involve the transfer of electrons between species, and ACT SSC Chemistry Year 12 Unit 4 expects you to assign oxidation states, balance half-equations, predict spontaneity from E° values, and compare galvanic (spontaneous) with electrolytic (non-spontaneous) cells. The electrochemical series is your essential lookup table.
Sample Flashcards
Q1: Outline the steps for balancing a redox equation using half-equations.
1) Write separate oxidation and reduction half-equations. 2) Balance atoms other than O and H. 3) Balance O by adding H₂O. 4) Balance H by adding H⁺. 5) Balance charge by adding electrons. 6) Multiply half-equations so electrons are equal. 7) Add and simplify.
Last updated: March 2026 · 1 flashcards