WorksheetsReduction and Oxidation
Total questions: 12
Worksheet time: 13mins
Reduction is ___________ of electrons.
loss
gain
transfer
share
A decrease in oxidation number.
Oxidation
Combination
Reduction
Substance that oxidizes another substance by accepting its electrons.
Oxidising agent.
Reducing agent.
Combustion.
In a redox reaction, the species reduced
gains electrons and is the oxidizing agent.
loses electrons and is the oxidizing agent.
gains electrons and is the reducing agent.
loses electrons and is the reducing agent.
Which of the following is the balanced half -reaction for the oxidation of Cu to Cu+2?
Cu --> Cu2+
Cu + 2 e- --> Cu2+
Cu - 2e- --> Cu2+
Cu --> Cu2+ + 2 e-
What is the oxidation number of iodine in KIO3?
+5
+1
0
-1
Determine the oxidation number of chromium in CrO42-.
+5
+6
+4
-2
In a Galvanic cell, the electrons flow from the...
anode to the cathode
cathode to the anode
In a Galvanic Cell, the anode is...
positive
negative
In a Galvanic Cell, the cathode is...
positive
negative
In a galvanic cell, where does the oxidation reaction take place?
Circuit
Salt bridge
Cathode
Anode
