Electrochemical Cells

What type of cell produces energy?

• Electrochemical

• Electrolysis

Tags

NGSS.HS-LS1-7

In the following half equation what is reduced?

Cu²⁺ + 2e --> Cu

• Cu

• Cu²⁺

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Where does oxidation occur?

• Cathode

• Anode

• Electrode

What way do electrons flow

• From species being oxidised to species being reduced

• From species being reduced to species being oxidised

• They don't flow

What ions are present in an electrolyte of CuCl₂? (You can select more than one)

• Cu

• Cu²⁺

• Cl₂

• Cl^-

Tags

NGSS.HS-PS1-3

What is the purpose of a salt bridge in a galvanic cell?

• To provide a pathway for electrons

• To maintain electrical neutrality

• To increase the cell voltage

• To facilitate oxidation

In electroplating, which type of cell is used?

• Galvanic cell

• Electrolytic cell

• Fuel cell

• Concentration cell

Tags

NGSS.HS-PS2-5

In a galvanic cell, which electrode is the site of oxidation?

• Anode

• Cathode

• Salt bridge

• Electrolyte

In an electrolytic cell, the cathode is defined as the electrode where:

• Reduction occurs

• Oxidation occurs

• No reaction occurs

• The salt bridge is located

What is the standard cell potential ($E^ullet$) of a galvanic cell composed of a zinc electrode and a copper electrode?

• 0.34 V

• 1.10 V

• 0.76 V

• 1.96 V

Tags

NGSS.HS-PS3-5