A student carries out electrolysis on two aqueous solutions using the apparatus illustrated.
(a)[1]
State the name of apparatus E.
(b)[4]
Fill in the table with the product name and the observation at the anode $(+)$ and cathode $(-)$ for aqueous potassium iodide and dilute sulfuric acid.
(c)[2]
Describe how oxygen gas is tested. Test [BLANK]. Observation [BLANK].
Worked solution & mark scheme
This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “A beaker” …