Question:
Which vitamin contains napthaquinone ring?
Which vitamin contains napthaquinone ring?
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Vitamin K = "K"oagulation + Naptha"K"uinone.
Updated On: May 19, 2026
- A
- D
- E
- K
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Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Step 1: Concept
Fat-soluble vitamins have complex organic structures involving specific ring systems.
Step 2: Meaning
Napthaquinone is a bicyclic aromatic hydrocarbon derivative.
Step 3: Analysis
Vitamin K (including Phylloquinone and Menaquinone) is chemically based on the 2-methyl-1,4-naphthaquinone structure.
Step 4: Conclusion
Vitamin K is the only vitamin listed that contains the napthaquinone ring system.
Final Answer: (D)
Fat-soluble vitamins have complex organic structures involving specific ring systems.
Step 2: Meaning
Napthaquinone is a bicyclic aromatic hydrocarbon derivative.
Step 3: Analysis
Vitamin K (including Phylloquinone and Menaquinone) is chemically based on the 2-methyl-1,4-naphthaquinone structure.
Step 4: Conclusion
Vitamin K is the only vitamin listed that contains the napthaquinone ring system.
Final Answer: (D)
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