Voltaic Cell Basics

Reduction happens at the 

• anode
• cathode
• salt bridge
• voltmeter

Oxidation happens at the

• anode
• cathode
• salt bridge
• voltmeter

In a voltaic cell, the half cell that receives anions from the salt bridge is

• cathode
• anode

In a voltaic cell, the half cell that receives cations from the salt bridge is

• cathode
• anode

Which species is oxidized in the following reaction?

• Ag
• Ag⁺
• Cu
• Cu²⁺

Tags

NGSS.HS-PS1-2

Metal A is more reactive than metal B. Which statement is correct?

• Electrons flow in the external circuit from A to B
• Positive ions flow through salt bridge from A to B
• Positive ions flow in external circuit from B to A.
• Electrons flow through salt bridge from B to A

Tags

NGSS.HS-PS1-2

Which changes could take place at the positive electrode in a voltaic cell?

• I and II

• I and III

• II and III

• I, II and III

Below shows a cell diagram for voltaic cell. Which of the following is FALSE?

• Electrons flow from anode to cathode
• Oxidation happens in anode
• Copper undergo reduction to form copper ions
• Zinc undergo oxidation to form Zinc ions

Tags

NGSS.HS-PS1-7

NGSS.HS-PS2-5

In which direction does electricity flow in a voltaic cell (battery)?

• Electrons flow from the cathode to the anode
• Electrons flow from left to right
• Electrons flow from anode to cathode
• Electrons flow from right to left

What reaction occurs at the anode?

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

Tags

NGSS.HS-PS1-2