Voltaic Cells Practice

Oxidation occurs at the...

• anode

• cathode

Reduction occurs at the...

• anode

• cathode

What reaction occurs at the anode?

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

Tags

NGSS.HS-PS2-5

The site at which oxidation occurs

• Anode

• Node

• Oxisite

• Thing

The site at which reduction occurs

• Cathode

• Node

• Reductonode

• Rode

Gaining of electrons is...

• Reduction

• Titration

• Oxidation

Loss of electrons is...

• Reductions

• Titrant

• Oxidation

What is the function of the salt bridge in an electrochemical cell?

• To increase the cell's electrical resistance.

• To provide a path for electrons to move between the electrodes.

• To prevent the electrodes from physically touching each other.

• To maintain electrical neutrality by allowing the flow of ions.

Which species is oxidized in the following reaction?

• Ag
• Ag⁺
• Cu
• Cu²⁺

Tags

NGSS.HS-PS1-2

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