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Chemistry Hard PPSC Uploaded: 04 Sep 2026

What term describes compounds having the same molecular formula but different spatial arrangements?

  • A Isotopes
  • B Allotropes
  • C Stereoisomers
  • D Structural isomers
Correct Answer: Option C — Stereoisomers
Explanation:
Stereoisomers are compounds sharing the same molecular formula and connectivity of atoms but differing in the three-dimensional spatial arrangement of atoms, including geometric (cis-trans) and optical isomers.
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