Halo, Try this one…on? Reduction & Oxidation (Redox Reactions).
Q) A drop of solution S turns acidified orange potassium dichromate (VI) to green chromium (III) ions. What must solution S contain?
A) An acid
B) An oxidizing agent
C) A reducing agent
D) A substance that can be oxidized
Come on students…. Leave your suggested answer in the “Comments” section below.
Rgds,
Sean