Chem IGCSE 5 (Electrolysis)

What particle carries the charge in the electrolyte?

• electron
• proton
• ion
• atom

What particle carries the charge in the wire?

• electron
• proton
• ion
• atom

What state must the ionic compound be in to be electrolysed?

• aqueous only
• solid only
• solid or aqueous only
• molten or aqueous only

What is the name of a positively charged electrode?

• cathode
• anode
• cation
• anion

What is the name of a negatively charged electrode?

• cathode
• anode
• cation
• anion

What is the name of a negatively charged ion?

• negatron
• electron
• cation
• anion

What is the name of a positively charged ion?

• positron
• proton
• cation
• anion

Reduction is the ___________ of electrons.

• loss

• gain

• sharing

• transfer

Oxidation is the _________ of electrons.

• loss

• gain

• sharing

• transfer

In electrolysis, which direction do the electrons travel?

• Anode --> Cathode

• Cathode --> Anode