Concept explainers
(a)
Interpretation:
A representative structure for a fat should be written.
Concept introduction:
Fats are triesters of glycerol and fatty acid.
Fatty acids are aliphatic mono-
Triglyceride consisting of three molecules of fatty acids bound with one molecules of glycerol; a neutral fat that is the usual storage form of lipids in animals.
(b)
Interpretation:
A representative structure for a vegetable oil should be written.
Concept introduction:
Vegetable oils are triglyceride extracted from plants. Generally oils are esters of fatty acids and glycerol and are obtained from plants.
Fatty acids are aliphatic mono-carboxylic acids that are mostly obtained from the hydrolysis of natural fats and oils. They have a general formula
Triglyceride consisting of three molecules of fatty acids bound with one molecules of glycerol; a neutral fat that is the usual storage form of lipids in animals.
(c)
Interpretation:
A representative structure for an aldotetrose should be written.
Concept introduction:
Carbohydrates are hydrates of carbon and they the polyhydroxyaldehydes or
Carbohydrates with
Carbohydrates with aldehyde as their most oxidized functional group are called aldoses, whereas those with a keto as their most oxidized functional group are called ketose. So the aldo and keto prefixes identify the nature of the carbonyl group. And the –ose suffix designates a carbohydrate.
Number of carbons in the carbohydrate indicated by root like tri-, tetra-, penta-, hexa- ..
Some carbohydrates are listed below depend on the number of carbon atoms and the nature of carbonyl group in it.
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General Chemistry: Atoms First
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