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Analytical tests of glycerol - Acrolein and Dunstan test
(a) Acrolein test: while glycerol is heated with an extremely offensive smell is generated due to formation of acrolein. Its aqueous solvent restores the colour of schiff's reagent and decreases Fehling solution and Tollen's reagent.
(b) Dunstan's test: A drop of phenolphthalein is added almost 5 ml of borax solution. The pink in colour seems on adding 2-3 drops of glycerol, pink colour goes. The pink colour emerges out on heating and disappears on cooling again.
IUPAC System of Naming Organic Compounds In the IUPAC (International Union of Pure and Applied Chemistry) system, the name of an organic compound contain three parts that are:
Types of interferences: Within an atomic spectrometric method, interferences are produced through the non- analyte elements of the sample. The probable interferences that coul
When 100ml of M/10 h2so4 is mixed with 500 ml of M/10 naoh then nature of resulting solution and normality of excess of reatant left is 1)Acidic,N/5 2)basic ,N/5 3)Acidic,N/20 3)ac
How does math relate to electrons and ion formation?
v CO has same electrons as or the ion that is isoelectronic with co is
Describe the following observations: a. Lyophilic colloid is more stable than Lyophobic colloid. b. Coagulation takes place when sodium chloride solution is added to a collo
Q. Development of off-flavours and objectionable taste in fats? Autoxidation leads to the development of off-flavours and objectionable taste in fats. The initial oxidation pro
Functions of nucleic acid: Nucleic acid has two major functions (a) Replication and (b) Protein synthesis.
The elements of first transition series from variety of oxides of different oxidation states having general formulae MO, M 2 O 3 , M 3 O 6 , MO 2 , MO 3 . These oxides are gene
Calculate the ratio of d number of molecules in two energy levels at 27''c given E2=9.75x10"-13erg/mol E1=6.95X10"-13erg/mol g1=2 g2=3
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