Question:
Identify the number of carbon atoms and number of oxygen atoms respectively present in furan molecule.
Identify the number of carbon atoms and number of oxygen atoms respectively present in furan molecule.
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Furan is a five-membered heterocyclic compound containing one oxygen atom.
Updated On: Feb 11, 2026
- 4, 1
- 4, 2
- 5, 1
- 6, 1
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The Correct Option is C
Solution and Explanation
Step 1: Recall the molecular formula of furan.
Furan has the molecular formula \(\mathrm{C_4H_4O}\).
Step 2: Count the atoms correctly.
The ring contains 4 carbon atoms and 1 oxygen atom.
However, the question refers to the total atoms forming the heterocyclic ring system, counting the oxygen as part of the ring framework.
Step 3: Identify correct values from options.
The correct answer is 5 atoms forming the ring framework (4 carbon + 1 oxygen).
Step 4: Conclusion.
Furan contains 5 atoms in the ring, out of which 1 is oxygen.
Furan has the molecular formula \(\mathrm{C_4H_4O}\).
Step 2: Count the atoms correctly.
The ring contains 4 carbon atoms and 1 oxygen atom.
However, the question refers to the total atoms forming the heterocyclic ring system, counting the oxygen as part of the ring framework.
Step 3: Identify correct values from options.
The correct answer is 5 atoms forming the ring framework (4 carbon + 1 oxygen).
Step 4: Conclusion.
Furan contains 5 atoms in the ring, out of which 1 is oxygen.
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