Hydrogen peroxide solutions are commercially available and have a range of uses: The active ingredient, hydrogen peroxide, H₂O₂, undergoes decomposition in the presence of a suitable catalyst according to the reaction
2H₂O₂(l) → 2H₂O(l) + O₂(g)
In this reaction, oxygen
A - VCE - SSCE Chemistry - Question 3 - 2016 - Paper 1
Question 3
Hydrogen peroxide solutions are commercially available and have a range of uses: The active ingredient, hydrogen peroxide, H₂O₂, undergoes decomposition in the prese... show full transcript
Worked Solution & Example Answer:Hydrogen peroxide solutions are commercially available and have a range of uses: The active ingredient, hydrogen peroxide, H₂O₂, undergoes decomposition in the presence of a suitable catalyst according to the reaction
2H₂O₂(l) → 2H₂O(l) + O₂(g)
In this reaction, oxygen
A - VCE - SSCE Chemistry - Question 3 - 2016 - Paper 1
Step 1
A. only undergoes oxidation.
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Answer
This option is incorrect. In the reaction, oxygen does not simply undergo oxidation.
Step 2
B. only undergoes reduction.
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Answer
This option is also incorrect, as the reaction involves both oxidation and reduction processes.
Step 3
C. undergoes both oxidation and reduction.
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Answer
This is the correct answer. In the decomposition of hydrogen peroxide, oxygen is produced from the breakdown of H₂O₂, which means it undergoes reduction.
Step 4
D. undergoes neither oxidation nor reduction.
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Answer
This option is incorrect, as the reaction clearly involves the transformation of substances.
