Waxes are the esters of fatty acids with high molecular weight.
Correct answer: A. Monohydroxy alcohols
- A. Monohydroxy alcohols
- B. Dihydroxy alcohols
- C. Trihydroxy alcohol
- D. All of the above
Explanation
Waxes are esters formed from the reaction of fatty acids with long-chain monohydroxy alcohols, which have one hydroxyl group. This singular hydroxyl group allows them to form ester bonds with fatty acids, producing waxes. Dihydroxy and trihydroxy alcohols contain multiple hydroxyl groups and are not typically used in wax formation. Therefore, the correct answer is monohydroxy alcohols, as they are the ones involved in the creation of waxes.
This question appeared on the ETEA MDCAT 2015 paper, which you can sit online with every answer explained.
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About Lipids
Lipids include fats, oils, waxes, phospholipids and steroids, which are largely insoluble in water and soluble in organic solvents. Coverage includes glycerol and fatty acids, ester bond formation, saturated and unsaturated fats, triglyceride functions, and phospholipids in cell membranes.
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