Redox Reactions

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Question

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Question 1 :

The oxidation number of Cl in Cl₂O₇ is

1. + 7
2. + 5
3. + 3
4. - 7
Answer
8552

Question 2 :

What is known as Autooxidation?

1. Formation of H₂O₂ by the oxidation of H₂O
2. Formation of H₂O by the oxidation of H₂O₂.
3. Both
4. None
Answer
8553

Question 3 :

The tendency of an electrode to lose electrons is known as

1. Oxidation Potential
2. Reduction Potential
3. Electrode Potential
4. None of the above
Answer
8554

Question 4 :

If equal volumes of 1M KMnO₄ and 1M K₂Cr₂O₇ solutions are allowed to oxidize Fe²⁺ in acidic medium. The amount of iron oxidized will be___________

1. More with KMnO₂
2. :Less with K₂Cr₂O₇
3. Equal with both oxidising agents
4. More with K₂Cr₂O₇
Answer
8555

Question 5 :

Which of the following processes does not involve either oxidation or reduction?

1. Heating Mercuric Oxide
2. Formation of slaked lime from quick lime
4. Formation of Manganese Chloride from Manganese oxide
Answer
8556