GALVANIC CELL

In a Galvanic Cell, the anode is...

• positive

• negative

Reduction occurs at the...

• cathode

• anode

In a Galvanic cell, the electrons flow from the...

• cathode to the anode

• anode to the cathode

In the list of standard electrode potentials, the strongest reducing agent is...

• K

• F₂

• K⁺

• F^-

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

• is oxidised

• is reduced

• increases its oxidation number

• decreases its oxidation number

In a Galvanic cell, the cations in the salt bridge...

• flow the opposite way to the electron flow in the wire

• stay in the salt bridge

• flow the same way as the electrons flow in the wire

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

In the above Galvanic Cell, which half cell is undergoing reduction?

• Zn | Zn²⁺

• Cu | Cu²⁺

If an electrochemical reaction is spontaneous, what will E_cell be?

• positive

• negative

A certain galvanic cell has for its spontaneous cell reaction: Zn + HgO → ZnO + Hg

Which is the half-reaction occurring at the anode?

• HgO + 2 e- → Hg + O^2-

• Zn²⁺ + 2 e- → Zn

• Zn → Zn²⁺ + 2 e-

• ZnO + 2 e- → Zn