In a voltaic cell, the salt bridge is necessary for

the movement of ions to maintain the neutrality of solution

the movement of electrons to create a current

the movement of ions to create a current

the movement of electrons to maintain the neutrality of solution

Which statement is correct when the cell produces electricity?

Mass of the iron electrode decreases.

Electrons flow from the iron half-cell to the magnesium half-cell.

Negative ion flow from magnesium half-cell to iron half-cell

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

What is a half-reaction?

It shows EITHER the reduction component or the oxidation component of a redox reaction.

It is a reaction at equilibrium where half of the substances are reactants and half of the substances are products.

It is the reaction that occurs when the switch of a galvanic cell is open.

It shows BOTH the reduction and oxidation components of a redox reaction.

It is the electrode where oxidation takes place.

It is the electrode where reduction takes place.

It is an aqueous solution containing an electrode.

It is the salt bridge that connects half-cells.

It is the electrode where reduction takes place.

It is the electrode where oxidation takes place.

It is an aqueous solution containing an electrode.

It is the salt bridge that connects half-cells.

What is an electrolytic cell?

a cell that converts electrical energy into chemical energy

a cell that converts chemical energy into electrical energy

a cell that converts electrical energy into electrical energy

A cell that converts kinetic energy into potential energy.

The reaction is non-spontaneous in ...

Both Galvanic and Electrolytic cells

Redox & Voltaic Cells

Quiz

•

Chemistry, Science

•

11th - 12th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-PS1-2, HS-PS3-3, HS-PS1-4

+1

Standards-aligned

Haley Carlson

Used 73+ times

FREE Resource

26 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Another name for a "oxidation-reduction" reaction is

chemical reaction

neutralization reaction

redox reaction

nuclear reaction

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If an atom loses electrons during a chemical reaction, the atom was:

Oxidized

Reduced

Neutralized

Precipitated

Reduction is the ___________ of electrons.

loss

gain

sharing

transfer

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which are examples of reduction?

I and II

I and III

II and III

I, II and III

Which half-reaction correctly represents reduction?

Ag --> Ag⁺ + e^-

F₂ --> 2 F^- + 2e^-

Au³⁺ + 3e^- --> Au

Fe²⁺ + e^- --> Fe³⁺

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which energy conversion shown below takes place in a voltaic cell?

Electrical to chemical

Mechanical to chemical

Mechanical to electrical

Chemical to electrical

Reactions in voltaic cells are

spontaneous, redox reactions

non-spontaneous, redox reactions

spontaneous, non-redox reactions

non-spontaneous, non-redox reactions

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Another name for a "oxidation-reduction" reaction is

If an atom loses electrons during a chemical reaction, the atom was:

Reduction is the ___________ of electrons.

Which are examples of reduction?

Which half-reaction correctly represents reduction?

Which energy conversion shown below takes place in a voltaic cell?

Reactions in voltaic cells are

Reduction happens at the

Oxidation happens at the

This electrode in a voltaic cell gains mass

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