AP Chemistry Electrochemistry — practice questions
16 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice AP Chemistry Electrochemistry in the app →A cell in which a spontaneous redox reaction takes place is called a:In a galvanic cell, electron transfer between the reactants happens:An electrode made from a member of the half-cell's own redox couple is called:The instrument used to measure the potential difference between two half-cells is a:Electrical current is measured in amperes, where one ampere is:Larger dry cells of the same chemistry give the same voltage but can transfer:An alkaline battery delivers roughly how much more energy than a similar-sized zinc-carbon cell?A lead acid car battery reaches 12 volts because it connects in series:Compared with an internal combustion engine, a fuel cell using the same reaction is typically:The blue-green patina on outdoor copper structures forms because copper oxides react with:A protective oxide layer that stops further corrosion is formed by a process called:Rust differs from copper patina in that the rust layer:A sacrificial anode protects iron because the anode metal has a reduction potential that is:To drive a nonspontaneous cell reaction, the applied voltage must be:Electrolysing neutral aqueous sodium chloride reduces water rather than hydrogen ion because the hydrogen ion Reducing chromium(III) to chromium metal requires how many moles of electrons per mole of chromium?