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Chain Lengthening of Aldoses (Killiani-Fischer synthesis)
The conversion of an aldose to the next higher member includes the subsequent steps :
(a) Creation of a cyanohydrin.
(b) Hydrolysis of - CN to - COOH making aldonic acid.
(c) Conversion of aldonic acid into lactone through heating.
(d) The lactone is lastly reduced along with sodium amalgam or sodium borohydride to provide the higher aldose.
Glucose and fructose are epimers so they are differ in their second carbon position and remaining is same so when they react with phenylhydrazeen they give same osazone
Q. Explain about Conservation of Mass? Conservation of Mass above two centuries ago chemists established a fundamental law called the law of conservation of mass. This l
transition elements form coloured compound. Why?
standard estimation protocol
formation of scales
Q. Determine the gluten content in the sample of flour? After undertaking this activity, you will be able to: • assess the gluten content the given sample of flour, • c
what is chemical bond and his type?
Define the Cell potential of a galvanic cell? The cell potential of a galvanic cell is the electric potential difference between terminals of the same metal, and is defined by
Physical properties of dienes
Correct statement is: (1) K=4s 1 , Cr= 3d 4 4s 2 , Cu= 3d 10 4s 2 (2) K=4s 2, Cr= 3d 4 4s 2 , Cu= 3d 10 4s 2 (3) K=4s 2 Cr= 3d 5 4s 1 , Cu= 3d 10
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