Seliwanoff test and Xanthoproteic test are used for the identification of _______ and _______ respec — Biomolecules Chemistry Question
Question
Seliwanoff test and Xanthoproteic test are used for the identification of _______ and _______ respectively. (A) Ketoses, aldoses (B) Proteins, ketoses (C) Aldoses, ketoses (D) Ketoses, proteins
Answer: A) KETOSES, ALDOSES
💡 Solution & Explanation
Test Reagent Observations Reason Test given By Seliwanoff’s Test 0.5% Resorcinol in conc. HCl and heat for 5 minutes Fiery red colour or Coloured solution. Complex formation Fructose gives fiery red solution but glucose, maltose and sucrose gives brown/violet coloured solutions. (Difference between fructose and glucose) Xanthoproteic test is used to detect a presence of protein.
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