Question:medium

Which from following molecules does NOT contain nitrogen in it?

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Chemistry Tip: The prefix "pyr-" often relates to fire or heat, but in heterocyclic chemistry nomenclature, common names must be memorized. "Pyran" refers specifically to an oxygen-containing ring, while "Pyrrole", "Pyridine", and "Pyrimidine" contain nitrogen.
Updated On: Apr 23, 2026
  • Pyrrole
  • Piperidine
  • Pyridine
  • Pyran
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The Correct Option is D

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