WorksheetsRedox
Total questions: 7
Worksheet time: 10mins
In redox reactions, what happens to the reducing agent?
It is oxidised
It does not participate in the reaction and remains unchanged
It is reduced
Substances that lose electrons easily and are oxidized in a chemical reaction are ____________.
reducing agents
coloring agents
oxidizing agents
neutralizing agents
analytical agents
A camera film is covered with silver ions that darkens upon exposure to light. The reaction that
takes place is: Ag + + e‾ → Ag. In this reaction, silver ion acts as ____________
reducing agent.
dissolving agent.
analytical agent.
oxidizing agent
During the process of reduction, _________________
protons are lost.
protons are gained.
electrons are lost.
electrons are gained
neutrons are lost.
The change of I‾ to I2 is ________________
oxidation
reduction
neutralization
Decomposition
Combustion
What is the oxidation number of Nitrogen in HNO3
-7
-5
+5
+7
+2
Identify the species reduced in the following reaction.
Fe(s) + 2 Ag+(aq) → Fe2+(aq) + 2 Ag(s)
Fe
Ag
none of these
None of the above
