All amino acids have a carboxyl group and an amino group bonded to the same carbon atom (which is the α carbon). However, they differ from... View Article
Proteins are covalently linked linear polymer of amino acids. Proteins occur in great variety and size varying from small peptides of the... View Article
Free hydroxyl groups on each glucose unit in the cellulose chain, [C6H7O(OH)3]n, helps the cellulose derivatives, to be spun into fibres, spread... View Article
CELLULOSE: Cellulose is a polymer of glucose which has the molecular formula (C6H10O5)n with 'n' ranging from 500 to 5,000, depending on the... View Article
The structure of starch is more complex than that of cellulose. It is insoluble in cold water, but grinding and soaking makes them form a... View Article
Sucrose is the sugar which is known as table sugar. Sucrose is found in all photosynthetic plants. It is commercially obtained from sugarcane and... View Article
Disaccharides are carbohydrates that yield two simple monosaccharides on hydrolysis (the hydrolysis can be done with the help of acids or enzymes... View Article
Glycosides are the acetal derivatives of monosaccharide with an alcohol which is formed in the presence of an acid catalyst. Glycosides are... View Article
Complete configuration of the carbohydrates can be established either by- Shortening the carbon length of the given carbohydrate one by one, or... View Article
Oxidation of aldose with very mild oxidizing agents like bromine water, hypo-bromite, give a monocarboxylic acid (aldonic acid). Use of... View Article
Polysaccharides such as starch and amylose can be differentiated with the help of the iodine test. Here, a few drops of 0.01 M iodine in... View Article
Bial's test is a chemical test for the presence of pentoses. It is named after Manfred Bial, a German physician. The components include orcinol,... View Article
Conc. Sulphuric acid dehydrates sugars to furfuryl derivates. Furfural is derived from the dehydration of pentoses and pentosans, while... View Article
Various tests are conducted to identify the class and group of compounds in organic chemistry. One among the test is Barfoed's test. Let us know... View Article
Seliwanoff’s test is used to distinguish aldoses from ketoses. On treatment with a concentrated Acid, ketoses are dehydrated more rapidly... View Article
Benedict's test is similar to Fehling's test, but, uses a single solution of copper sulphate in aqueous sodium hydroxide with citrate instead of... View Article
Like aldoses, ketoses also exist in a cyclic structure. But, ketoses has their keto group in the second Carbon. Rotation of the fifth carbon, in... View Article
