Balancing Oxidation-Reduction Equations

Question 1

Which statement is true of the following reaction?

Revolt · Accepted Answer

It is not balanced for oxidation state or for number of atoms.

Question 2

What is the purpose of finding oxidation states in the half-reaction method for balancing equations?

Revolt · Accepted Answer

to identify the half reactions for the equation

Question 3

The information below describes a redox reaction.What is the coefficient of silver in the final, balanced equation for this reaction?

Revolt · Accepted Answer

3

Question 4

Consider the chemical reaction below. Zn(s) + 2H+(aq) Zn2+(aq) + H2(g)Which half reaction correctly represents reduction for this equation?

Revolt · Accepted Answer

2H+(aq) + 2e– H2(g)

Question 5

Which half-reaction correctly describes an oxidation?

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/evresources/3210-11-03/mc028-4.jpg

Question 6

A student balances the following redox reaction using half-reactions.How many electrons will be lost in all?

Revolt · Accepted Answer

6

Question 7

The information below describes a redox reaction.What is the final, balanced equation for this reaction?

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/evresources/3210-11-03/mc018-2.jpg

Question 8

Consider the reaction below. Which half reaction correctly describes the reduction that is taking place?

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/evresources/3210-11-03/mc005-2.jpg

Question 9

Consider the redox reaction below.Which half reaction correctly describes the oxidation that is taking place?

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/evresources/3210-11-03/mc009-3.jpg

Question 10

Equations can be balanced by using the half-reaction method. Which step should be completed immediately after finding the oxidation states of atoms?

Revolt · Accepted Answer

identifying the half reactions

Balancing Oxidation-Reduction Equations Answers