Qualitative Tests for Proteins Various qualitative tests are employed to identify the presence of proteins in a biological sample. Here are some common methods: 1. Biuret Test Principle: The biuret reagent reacts with peptide bonds, producing a violet color in the presence of proteins. Procedure: A sample is mixed with …
DeepakRajput 
Qualitative Tests for Phenols
Various qualitative tests exploit the unique chemical properties of phenols to identify them. Some commonly employed qualitative tests for phenols detect the characteristic reactions associated with the presence of phenolic functional groups. 1. Iron (III) Chloride Test Principle: Phenols react with iron (III) chloride (FeCl3) to form colored complexes. Observation: …
