Chemistry - June 2011

21 Given a formula of a functional group:

An organic compound that has this functional group is classified as

(1) an acid          (3) an ester
(2) an aldehyde  (4) a ketone

22 Which statement describes where the oxidation and reduction half-reactions occur in an operating electrochemical cell?

(1) Oxidation and reduction both occur at the anode.
(2) Oxidation and reduction both occur at the cathode.
(3) Oxidation occurs at the anode, and reduction occurs at the cathode.
(4) Oxidation occurs at the cathode, and reduction occurs at the anode.

24 Which energy conversion occurs in an operating electrolytic cell?

(1) chemical energy to electrical energy
(2) electrical energy to chemical energy
(3) nuclear energy to thermal energy
(4) thermal energy to nuclear energy

25 Which compounds can be classified as electrolytes?
(1) alcohols
(2) alkynes
(3) organic acids
(4) saturated hydrocarbons

 Previous Page Next Page




EduSolution -
Helping Students
to succeed!
Vistors' Comments

This is one of the absolute best sites I've found online, and I say that as a teacher who has spent countless hours looking for kid-friendly material on the net. I have no idea how you found the time and energy to put it together, but you have my admiration! - Andrew Cowells, Concord Jr. High