L71 voltaic cells

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

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

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

Which direction do the electrons flow in wire X and which metal is oxidized?

• A
• B
• C
• D

Tags

NGSS.HS-PS3-5

Which species is oxidized in the following reaction?

• Ag
• Ag⁺
• Cu
• Cu²⁺

Tags

NGSS.HS-PS1-2

Which species is oxidizing agent and which is reducing agent?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the function of Y in cell below?

• To complete the circuit
• To allow flow of electrons between both cells
• To allow flow of ions 
• To connect both half cells

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5