Triple Chem- Electrolysis (1)

State the charge of an anion.

• Positive

• Negative

State the charge of an cation.

• Positive

• Negative

State the charge of an anode.

• Positive

• Negative

State the charge of an cathode.

• Positive

• Negative

Define oxidation

• Loss of electrons

• Gain of electrons

• Loss of protons

• Gain of protons

Define reduction

• Loss of electrons

• Gain of electrons

• Loss of protons

• Gain of protons

Which electrode does an anion migrate to?

• Anode

• Cathode

Which electrode does an cation migrate to?

• Anode

• Cathode

Which half equation shows the oxidation of sodium?

• Na + e- > Na-

• Na + e- > Na+

• Na > Na+ + e-

• Na > Na- + e-

Complete the half equation for the reduction of chlorine:

Cl₂ + ___ > ____

• e- > Cl

• e- > Cl^-

• 2e^{- >} 2Cl

• 2e^- > 2Cl^-