IB Chemistry Topic 9 Exam Questions and
Answers (Latest Update 2024)
Redox Reaction - Correct Answer ✅a chemical reaction in
which changes in the oxidation numbers occur
Oxidation - Correct Answer ✅occurs when there is an
increase in the oxidation number of an element; loss of
electrons
Reduction - Correct Answer ✅occurs when there is a
decrease in the oxidation number of an element; gain of
electrons
Oxidizing Agent - Correct Answer ✅the substance that is
reduced; accepts electron
Reducing Agent - Correct Answer ✅the substance that is
oxidized; supplies the electrons
More reactive metals are stronger _______ than less reactive
metals - Correct Answer ✅reducing agents
, IB Chemistry Topic 9 Exam Questions and
Answers (Latest Update 2024)
A more reactive metal is able to _________ the ions of a less
reactive metal - Correct Answer ✅reduce
A more reactive non-metal is able to ______ the ions of a less
reactive non-metal - Correct Answer ✅oxidize
In general, the more reactive the metal, the _________ its
electrode potential in its half cell - Correct Answer ✅more
negative
Oxidation occurs at the _____ - Correct Answer ✅anode
Reduction occurs at the _____ - Correct Answer ✅cathode
The anode has a ____ charge - Correct Answer ✅negative
The cathode has a ______ charge - Correct Answer
✅positive
Answers (Latest Update 2024)
Redox Reaction - Correct Answer ✅a chemical reaction in
which changes in the oxidation numbers occur
Oxidation - Correct Answer ✅occurs when there is an
increase in the oxidation number of an element; loss of
electrons
Reduction - Correct Answer ✅occurs when there is a
decrease in the oxidation number of an element; gain of
electrons
Oxidizing Agent - Correct Answer ✅the substance that is
reduced; accepts electron
Reducing Agent - Correct Answer ✅the substance that is
oxidized; supplies the electrons
More reactive metals are stronger _______ than less reactive
metals - Correct Answer ✅reducing agents
, IB Chemistry Topic 9 Exam Questions and
Answers (Latest Update 2024)
A more reactive metal is able to _________ the ions of a less
reactive metal - Correct Answer ✅reduce
A more reactive non-metal is able to ______ the ions of a less
reactive non-metal - Correct Answer ✅oxidize
In general, the more reactive the metal, the _________ its
electrode potential in its half cell - Correct Answer ✅more
negative
Oxidation occurs at the _____ - Correct Answer ✅anode
Reduction occurs at the _____ - Correct Answer ✅cathode
The anode has a ____ charge - Correct Answer ✅negative
The cathode has a ______ charge - Correct Answer
✅positive
