- Which one of the following saccharides is a reducing sugar? HO-, н CH₂ Н Н H нур OH OH HO OH a. HOHO bus O b. CH3 Н Н OH HO- -CH₂ HO- CH3 -CH₂ юди бути будет он н H H Н HO-CH2 Н ка Ән с. OH Н OH 0-CH3
Carbohydrates
Carbohydrates are the organic compounds that are obtained in foods and living matters in the shape of sugars, cellulose, and starch. The general formula of carbohydrates is Cn(H2O)2. The ratio of H and O present in carbohydrates is identical to water.
Starch
Starch is a polysaccharide carbohydrate that belongs to the category of polysaccharide carbohydrates.
Mutarotation
The rotation of a particular structure of the chiral compound because of the epimerization is called mutarotation. It is the repercussion of the ring chain tautomerism. In terms of glucose, this can be defined as the modification in the equilibrium of the α- and β- glucose anomers upon its dissolution in the solvent water. This process is usually seen in the chemistry of carbohydrates.
L Sugar
A chemical compound that is represented with a molecular formula C6H12O6 is called L-(-) sugar. At the carbon’s 5th position, the hydroxyl group is placed to the compound’s left and therefore the sugar is represented as L(-)-sugar. It is capable of rotating the polarized light’s plane in the direction anticlockwise. L isomers are one of the 2 isomers formed by the configurational stereochemistry of the carbohydrates.
![1. Which one of the following saccharides is a reducing sugar?
НО.
H
CH₂
H
OH
a.
HOHO
H
H
H
OH
HO OH
del H
d.
HO
H
H
OH
b.
CH₂
HH
OH
H O
H
a. 18:2> 18:1> 18:0> 16:2
b. 16:2> 18:2 > 18:1 > 18:0
c. 18:0> 18:2> 16:2> 18:1
d. 18:0> 18:1> 18:2> 16:2
OH
O
H
ОН
O. HH
H
HleculỎHan form H
2. What is the correct condition for the reaction below?
?
H
HO-CH2
a. CrO3/pyridine b. CrO3/H₂O
CH3
H
O
H
OH
C.
H
H1
H
HO
H
OH
CH3
H OH
c. NADH
H O
CH₂
O. H
H
H
H OH
OH
SVADO
a. Convert the fatty acid to corresponding esters
b. Perform hydrogenation on the fatty acid
c. Reduce the fatty acid to the aldehyde
d. Make the hydrophobic chain in the fatty acid even shorter
d. H/H₂O
CH3
boron
yoomoo
3. What is the correct method to increase the melting point of an unsaturated fatty acid?
worle portant si moda ostro zi asmotala
by pusho
4. Which of the following rankings shows the correct order (from high to low) of the
melting points of fatty acids.
besuber ai
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