Which one of the following fatty acids is an omega-3 fatty acid?
A - VCE - SSCE Chemistry - Question 8 - 2018 - Paper 1
Question 8
Which one of the following fatty acids is an omega-3 fatty acid?
A. arachidonic
B. palmitoleic
C. linolenic
D. linoleic
Worked Solution & Example Answer:Which one of the following fatty acids is an omega-3 fatty acid?
A - VCE - SSCE Chemistry - Question 8 - 2018 - Paper 1
Step 1
Identify the fatty acids
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Answer
The options given are arachidonic, palmitoleic, linolenic, and linoleic. To determine which of these is an omega-3 fatty acid, we need to examine their structures and classifications regarding omega fatty acids.
Step 2
Assess each option
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Answer
Arachidonic acid is an omega-6 fatty acid.
Palmitoleic acid is a monounsaturated fatty acid, not classified as omega-3.
Linolenic acid (alpha-linolenic acid) is indeed an omega-3 fatty acid.
Linoleic acid is another omega-6 fatty acid.
Step 3
Select the correct answer
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Answer
Based on the analysis, the fatty acid that is classified as omega-3 is linolenic acid (option C).
