Question:medium
Assertion A: Pyridine is used in moisture determination using Karl Fischer reagent.
Reason R: \(I_{2}\) and \(SO_{2}\) react in presence of pyridine and water to form complex.
Assertion A: Pyridine is used in moisture determination using Karl Fischer reagent.
Reason R: \(I_{2}\) and \(SO_{2}\) react in presence of pyridine and water to form complex.
Reason R: \(I_{2}\) and \(SO_{2}\) react in presence of pyridine and water to form complex.
Show Hint
Pyridine acts as both a buffer and a complexing agent in the Karl Fischer reaction.
Updated On: May 28, 2026
- Both A and R are correct and R is the correct explanation of A.
- Both A and R are correct but R is NOT the correct explanation of A.
- A is correct but R is not correct.
- A is not correct but R is correct.
Show Solution
The Correct Option is A
Solution and Explanation
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