REDOX AND GALVANIC CELLS

In a redox reaction, the reducing agent... (choose two options)

• is oxidised

• is reduced

• increases its oxidation number

• decreases its oxidation number

In a redox reaction, the oxidising agent... (choose two options)

• is oxidised

• is reduced

• increases its oxidation number

• decreases its oxidation number

The anions move towards the _______in a galvanic cell.

• anode

• cathode

In the reaction: Fe + Cu²⁺ --->Fe²⁺ + Cu

What species is reduced?

• Fe

• Cu²⁺

• Fe²⁺

• Cu

In a Galvanic Cell, the salt bridge...

• completes the circuit so that electrons can flow through the wire

• maintains charge balance

• is soaked in an unreactive electrolyte such as KNO₃

• all of the above

Oxidation occurs at the...

• anode

• cathode

What reaction occurs at the anode?

• Ag⁺ + e^- →Ag
• Ag → Ag⁺ + e^-
• Ni²⁺ + 2e^- → Ni
• Ni → Ni²⁺ + 2e^-

In the reaction: Fe + Cu²⁺ --->Fe²⁺ + Cu

How many electrons are lost?

• 0

• 2

• 4

• 6

What is the name of the negative electrode in an electrolytic cell?

• cathode

• anode

The reaction is spontaneous in ...

• A Galvanic Cell

• A Electrolytic Cell

• Both Galvanic and Electrolytic cells