Salt Bridge

What is the direction of electron flow.

• From Zn to Cu through the external circuit

• From Zn to Cu through salt bridge

• From Cu to Zn through the external circuit

• From Cu to Zn through salt bridge

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

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

• To allow the flow of electrons between electrodes

• To maintain electrical neutrality by allowing ion flow

• To prevent the mixing of different solutions

• To increase the voltage of the cell

Tags

NGSS.HS-PS2-5

Which of the following ions is most likely to be found in a salt bridge?

In a galvanic cell, what would happen if the salt bridge is removed?

• The cell would continue to function normally

• The cell would stop functioning

• The voltage would increase

• The electrodes would dissolve

What material is commonly used to make a salt bridge?

• Glass

• Porous ceramic

• Agar gel

• Copper wire

How does a salt bridge prevent the buildup of charge in an electrochemical cell?

• By allowing electrons to flow through it

• By allowing ions to flow through it

• By acting as a resistor

• By acting as a capacitor

Which of the following best describes the role of a salt bridge in maintaining the function of a voltaic cell?

• It provides a path for electron flow

• It separates the anode and cathode

• It completes the electrical circuit by allowing ion flow

• It increases the concentration of reactants

What would be the effect on cell potential if a salt bridge with a high resistance is used?

• Increase in cell potential

• Decrease in cell potential

• No effect on cell potential

• Cell potential becomes zero

Which of the following is NOT a function of a salt bridge?

• Maintaining electrical neutrality

• Preventing solution mixing

• Providing a path for electron flow

• Completing the circuit

Tags

NGSS.HS-PS2-5

In an electrochemical cell, which component is directly connected to the salt bridge?

• Anode

• Cathode

• Both anode and cathode

• Neither anode nor cathode