Determination of nitrogen in organic compound by standard thiosulfate solution has to be explained. The relationship between moles of NH 3 liberated in the process and moles of thiosulfate required for titration of iodine has to be derived. Concept Introduction: Kjeldahl procedure is the procedure in which digestion of organic compounds is done by concentrated H 2 SO 4 . The steps include in this process are digestion, distillation, and titration. Iodometric titration is a type of titration reaction in which iodides reacts with another oxidizing agent in acidic or neutral medium. As a result of this, iodides are converted to iodine and this formed iodine is back titrated against another standard reducing agent (usually sodium thiosulphate) of known concentration.

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Chapter 16, Problem 16.13P

Interpretation Introduction

Interpretation:

Determination of nitrogen in organic compound by standard thiosulfate solution has to be explained. The relationship between moles of NH3 liberated in the process and moles of thiosulfate required for titration of iodine has to be derived.

Concept Introduction:

Kjeldahl procedure is the procedure in which digestion of organic compounds is done by concentrated H2SO4. The steps include in this process are digestion, distillation, and titration.

Iodometric titration is a type of titration reaction in which iodides reacts with another oxidizing agent in acidic or neutral medium. As a result of this, iodides are converted to iodine and this formed iodine is back titrated against another standard reducing agent (usually sodium thiosulphate) of known concentration.

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