2.(a) Consider the isomers shown below. 100 50 Bumba 41 51 65 77 0 100 a on Br 1-Bromo-4-propylbenzene (3-Bromopropyl)benzene 50 41 51 63 91 103 117 77 the Sample A 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 m/z Buzh 90 119 103 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 m/z Br Sample B ii) Draw the structure of the base peak ion for each sample. 198 Jl. 156 169 198 i) Using the mass spectra, determine which sample is 1-bromo-4-propylbenzene and which is (3- bromopropyl)benzene.
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.
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