Redox Reactions and Electrochemical Cells

• +4

• +6

• -2

• 0

• 1

• 2

• 5

• 8

Which of the following is the anode in a galvanic cell composed of zinc and copper?

• Zinc

• Copper

• Both

• Neither

• +3

• +6

• +7

• +2

• None

Which component of an electrochemical cell allows ions to flow between the two half-cells?

• Anode

• Cathode

• Salt bridge

• Voltmeter

• -3

• +3

• +5

• -1

In a galvanic cell, which direction do electrons flow?

• From cathode to anode

• From anode to cathode

• Both directions

• No flow