Question
A direct current is applied to a solution of CaBr^2, and a gas is evolved from one of the electrodes.
a. Is the gas involved at the anode or the cathode
b. What is the gas?
a. Is the gas involved at the anode or the cathode
b. What is the gas?
Answers
DrBob222
I am assuming this is an aqueous solution of CaBr2.
Hydrogen gas is evolved at the cathode (the negative electrode) and Br2 is evolved at the anode (the positive electrode).
Hydrogen gas is evolved at the cathode (the negative electrode) and Br2 is evolved at the anode (the positive electrode).