Question

Which titrant used in estimation of Glycine. *


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Answer 1

Answer:

Explanation:

Glycine is an amino acid which contains both acidic and basic pKas. This shows that it can react to changes in the pH. By adding NaOH to glycine, the proton ion will dissociate. This dissociation will occur due to the titration done using the glycine solution.

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Answer 2

Explanation:

i) Preparation of Standard solution of glycine: Weigh accurately 2 g of glycine and transfer to a 250 cm3 volumetric flask and make up to the mark with distilled water. ii) Titration with standard solution: Take cm3 of standard glycine solution in a 250 cm3 conical flask and add 3-4 drops of phenolphthalein indicator.

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