Which of the following statements is NOT true regarding fatty acids?
a. Fatty acids dissolve in nonpolar solvents.
b. Triglycerides are esters of fatty acids.
c. Most naturally occurring fatty acids have trans double bonds.
d. Fatty acids are biosynthesized from acetate
Answers
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Most naturally occurring fatty acids have trans double bonds is the false statement.Because they don't have trans double bonds.
answer is c.
answer is c.
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Answer:
Most naturally occurring fatty acids have cis configuration around the double bonds.
Therefore, the the statement (c) is not true regarding the fatty acids.
Explanation:
- The monocarboxylic acids obtained by the hydrolysis of fats and oils are known as fatty acids.
- There are about 40 fatty acids which are naturally occurring in the form of oils and fats. They contain mostly between 12 to 20 carbon atoms.
- The acids which have more than one double bond are called polyunsaturated acids. If double bond is present, they usually have cis configuration.
- Fatty acids are immisible in water and dissolve in non polar solvents. They are lighter than water.
- Chemically fats and oils are triesters of glycerol with long chain carboxylic acids, so they called triglycerides.
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