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Physical properties of Amino acids
(a) Amino acids are colourless, crystalline substances comprising sweet taste. They melt along with decomposition at higher temperature (much more than 200°C). They are soluble in water although insoluble in organic solvents.
(b) Apart from glycine, all the α-amino acids are optically active and comprise an asymmetric carbon atom (α-carbon atom). Therefore, each of these acids may present in two optical isomers. In proteins, though, only one isomer of each is generally involved.
(c) Zwitter ion and isoelectric point : as the -NH2 group is basic and - COOH group is acidic, in neutral solution it presents in an internal ionic form known as a Zwitter ion in which the proton of -COOH group is transferred to the -NH2 group to make inner salt, as well known as dipolar ion.
Write one chemical reaction each to show that (a) Tin (II) chloride is a reducing agent. (b) Chlorine gas can be getting from bleaching powder.
Ask question #The first-order rate constant for the decomposition of dimethyl ether is 3.2 ? 10 -4 s -1 at 450 o C. The reaction is carried in a constant volume flask. Initially on
Plant-based Sources of Antioxidants I. Vitamin C (ascorbic acid) - blackcurrants, green peppers, guava, gourds, greens, strawberries, kiwi fruits, citrus fruits, paw - paws
Post-harvest handling of fresh produce Fruits and vegetables because of their high moisture content are extremely susceptible to deteriorate, especially under tropical c
what is perkin reaction?
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
CHOCH2CH(OH)CH2COOH
characteristic of solvents
calcium acetate
CAN I PLEASE GET A SALT ANALYSIS CHART FOR MY CHEMISTRY PRACTICALS?
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