Question

Karl Fischer titration is based on the ……… reaction between the iodine and sulphur dioxide.

• A. Reduction
• B. Oxidation
• C. Hydrolysis
• D. Condensation

Hint:

Karl Fischer = Oxidation reaction involving iodine and sulfur dioxide to measure water.

Answer 1

The Correct Option is B

Karl Fischer titration, used for water content determination, is based on the oxidation of sulfur dioxide by iodine in the presence of water. This reaction helps quantify trace amounts of moisture in pharmaceutical substances.