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Hydrocarbons

Carbohydrates

Fats / Lipids

Proteins

Vitamins / Minerals

Summary

Quiz

Hydrocarbons are compounds that contain C and H atoms only, and more than 33% of all known compounds are hydrocarbons.
Carbon (C) can form coalent bonds with other C atoms. These atoms form long chains which may be straight or branching. The bonds between these carbon atoms can be either single, double, or triple covalent bond(s).
Carbon will bond easily with atoms of many other elements. Atoms other than C can appear at different places on the C chain.
Carbohydrates are compounds that has C, H & O. Sugars are a main component of carbohydrates.
Sugars can be simple or complex organic compounds.
Fats are compounds made up of C, H, O, except that they have less O atoms in their molecules than carbohydrates but have more energy. Fats could be identified if the ester functional group is present. Fat molecules are non-polar.
Proteins are polymers of amino acids. Amino acids consists of 2 functional groups - the Carboxyl and the Amino group.
Amino acids link through the amino group on one amino acid & the carboxyl group on another. Each linkage is called a peptide bond, represented by .
Vitamins acts as co-enzymes. They're needed in very small amounts. There are 2 main types : water-soluble, and fat-soluble. Excess of vitamins would become toxic.
The following chart shows the functional that's been mentioned in the above pages, or are useful in learning more advanced stuff in organic chemistry.

Hydroxyl - Polar, water soluble, forms H bonds.
Carboxyl - H donor, negatively charged, acidic
Amino - Positively charged, H acceptor
Aldehyde - Polar, main characteristic of sugar
Ketone - Polar, characteristic of sugar
Methyl - Hydrophobic (Not water soluble)
Alcohol - Soluble in water
Ester - The Main Component of far
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