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When KMnO4 acts as an oxidant and ultimately forms [MnO4]2–, MnO2, Mn2O3 and Mn2+, then number of electrons transferred in each case respectively is:
  • a)
    4, 3, 1, 5
  • b)
    1, 5, 3, 7
  • c)
    1, 3, 4, 5
  • d)
    3, 5, 7, 1
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
When KMnO4 acts as an oxidant and ultimately forms [MnO4]2, MnO2, Mn2O...
Explanation:

When KMnO4 acts as an oxidant, it undergoes reduction itself. The Mn in KMnO4 changes its oxidation state from +7 to +2 in the final products, which are [MnO4]2-, MnO2, Mn2O3, and Mn2+.

Let's analyze the oxidation state changes for each product:

1. [MnO4]2-:
The oxidation state of Mn in KMnO4 is +7, while in [MnO4]2- it is +6. Therefore, there is a reduction of 1 electron.

2. MnO2:
The oxidation state of Mn in KMnO4 is +7, while in MnO2 it is +4. Therefore, there is a reduction of 3 electrons.

3. Mn2O3:
The oxidation state of Mn in KMnO4 is +7, while in Mn2O3 it is +3. Therefore, there is a reduction of 4 electrons.

4. Mn2+:
The oxidation state of Mn in KMnO4 is +7, while in Mn2+ it is +2. Therefore, there is a reduction of 5 electrons.

In summary, the number of electrons transferred in each case is:

a) 1, 3, 4, 5

Therefore, the correct answer is option 'C' (1, 3, 4, 5).
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When KMnO4 acts as an oxidant and ultimately forms [MnO4]2, MnO2, Mn2O3 and Mn2+, then number of electrons transferred in each case respectively is:a)4, 3, 1, 5b)1, 5, 3, 7c)1, 3, 4, 5d)3, 5, 7, 1Correct answer is option 'C'. Can you explain this answer?
Question Description
When KMnO4 acts as an oxidant and ultimately forms [MnO4]2, MnO2, Mn2O3 and Mn2+, then number of electrons transferred in each case respectively is:a)4, 3, 1, 5b)1, 5, 3, 7c)1, 3, 4, 5d)3, 5, 7, 1Correct answer is option 'C'. Can you explain this answer? for Chemistry 2024 is part of Chemistry preparation. The Question and answers have been prepared according to the Chemistry exam syllabus. Information about When KMnO4 acts as an oxidant and ultimately forms [MnO4]2, MnO2, Mn2O3 and Mn2+, then number of electrons transferred in each case respectively is:a)4, 3, 1, 5b)1, 5, 3, 7c)1, 3, 4, 5d)3, 5, 7, 1Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Chemistry 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for When KMnO4 acts as an oxidant and ultimately forms [MnO4]2, MnO2, Mn2O3 and Mn2+, then number of electrons transferred in each case respectively is:a)4, 3, 1, 5b)1, 5, 3, 7c)1, 3, 4, 5d)3, 5, 7, 1Correct answer is option 'C'. Can you explain this answer?.
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