Chemistry · Chemical Reactions and Acids
Which of the following statements best explains why dilute sulphuric acid (H2SO4) is commonly preferred to create acidic media in redox titrations involving KMnO4, while HCl and HNO3 are not?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1HCl is oxidized by KMnO4 to chlorine, while HNO3 is a strong text oxidant that interferes with the reaction.✓
- 2Sulphuric acid serves as both an oxidizing and reducing agent simultaneously.
- 3HCl and HNO3 are weak acids and fail to provide the required H+ ions.
- 4Sulphuric acid acts as a strong reducing agent in redox reactions.
Correct answer
HCl is oxidized by KMnO4 to chlorine, while HNO3 is a strong text oxidant that interferes with the reaction.
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