NEW
Font size
WorksheetsRedox Reactions
Total questions: 10
Worksheet time: 23mins
Consider the following reaction.
NO3− (aq) + Cu (s) → NO (g) + Cu2+ (aq)
Which statement is correct?
Cu (s) is the reducing agent because it loses electrons.
Cu (s) is the reducing agent because it gains electrons.
Cu (s) is the oxidizing agent because it loses electrons.
Cu (s) is the oxidizing agent because it gains electrons.
Al (s) + FeSO4 (aq) → Al2(SO4)3 (aq) + Fe (s)
Which statements are true about this reaction?
I. It is a disproportionation reaction.
II. It is a single displacement reaction.
III. It is an oxidation-reduction reaction.
I and II only
I and III only
II and III only
I, II and III
Given the following activity series: Zn > Fe > H2 > Cu
Which statement is NOT true?
Zinc is the strongest reducing agent among the three metals
Zinc is the strongest oxidizing agent among the three metals
Iron ions can be reduced by zinc
Copper ions can be reduced by iron
When Cl2 and KBr react, the leftmost mixture is obtained. The other three vials are control setups with aqueous Cl2, Br2 and I2 mixed with toluene respectively. Which statement is TRUE?
Cl2 reduces Br- to Br2.
Cl2 oxidizes Br- to Br2.
There is no reaction.
The product cannot be determined.
What is the oxidation number of Mn in the following: MnO4-, MnO42- and MnO2?
+4, +6, +7
+7, +6, +4
+2, +4, +7
+5, +3, +4
What is the oxidizing agent in the following reaction?
Zn (s) + Cu2+ (aq) → Zn2+ (aq) + Cu (s)
Zn (s)
Cu2+ (aq)
Zn2+ (aq)
Cu (s)
What is the reducing agent in the following reaction?
MnO4-
SO32-
H+
Mn2+
Al (s) + FeSO4 (aq) → Al2(SO4)3 (aq) + Fe (s)
Which statements are true about this reaction?
I. Al (s) reduces Fe2+ (aq)
II. Al (s) is the oxidizing agent.
III. FeSO4 is the reducing agent.
I and II only
I and III only
II and III only
I, II and III
A student performed redox reactions using metals W and X and solutions of W2+, X2+, Y2+ and Z2+. The results are summarized in the table.
Which of the four metals is the strongest reducing agent?
W
X
Y
Z
Which statement is NOT true when the following redox reaction is balanced?
Cu (s) + NO3- (aq) → NO (g) + Cu2+ (aq) [acidic]
There are 8H+ (aq) in the reactant side.
There are 2H2O (l) in the product side.
There are 4H2O (l) in the product side.
There are 6e- in both half-equations.
