What is entire principle involved in karl fischer titration

Answer Posted / abhishek goir

ons behind Karl Fischer titration are as follows:

CH3 OH + SO2 + RN → [RNH]SO3CH3

H2O + I2 + [RNH]SO3CH3 + 2 RN → [RNH]SO4 CH3 + 2 [RNH]I

(RN = Base)

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