Describe how the chemical structure of cis fatty acids and trans fatty acids differ. - Leaving Cert Home Economics - Question 4 - 2022
Question 4
Describe how the chemical structure of cis fatty acids and trans fatty acids differ.
Worked Solution & Example Answer:Describe how the chemical structure of cis fatty acids and trans fatty acids differ. - Leaving Cert Home Economics - Question 4 - 2022
Step 1
Cis Fatty Acids
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Answer
In cis fatty acids, the hydrogens attached to the carbon atoms are located on the same side of the double bond. This configuration results in a bent or kinked structure, which influences the physical properties of the fatty acid, such as lower melting points.
Step 2
Trans Fatty Acids
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Answer
In trans fatty acids, the hydrogens on either side of the double bond are positioned on opposite sides of the carbon chain. This linear arrangement allows the fatty acids to pack more tightly together, often resulting in higher melting points and different physical properties compared to cis fatty acids.
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