Question:easy
Which from following compounds does NOT contain oxygen as heteroatom?
Which from following compounds does NOT contain oxygen as heteroatom?
Show Hint
Look at the ring atom other than carbon in each heterocycle.
Updated On: Nov 13, 2026
- Furan
- THF
- 4H-Pyran
- Pyrrole
Show Solution
The Correct Option is D
Solution and Explanation
Step 1: Recall
Furan, THF and pyran are all oxygen heterocycles.
Step 2: Pyrrole
Pyrrole is $\text{C}_4\text{H}_4\text{NH}$, a nitrogen heterocycle.
Step 3: Answer
Pyrrole is the one without oxygen.
Final Answer:
Pyrrole is the answer. \[ \boxed{\text{(D) }\text{Pyrrole}} \]
Furan, THF and pyran are all oxygen heterocycles.
Step 2: Pyrrole
Pyrrole is $\text{C}_4\text{H}_4\text{NH}$, a nitrogen heterocycle.
Step 3: Answer
Pyrrole is the one without oxygen.
Final Answer:
Pyrrole is the answer. \[ \boxed{\text{(D) }\text{Pyrrole}} \]
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