Asked in Premeth Test 15 — Organic Chemistry Concepts and Hydrocarbons (17 March 2025) 2025Moderate

Which among the following does not exhibit geometric isomerism?

Correct answer: A. 1-hexene

  • A. 1-hexene
  • B. 2-hexene
  • C. 3-hexene
  • D. 4-hexene

Explanation

The formula of 1-hexene is Ch3-CH2-CH2-CH2-CH=CH2.The one carbon atom bearing a double bond is attached to two H atoms.Hence,it does not exhibit geometric isomerism.

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About Isomerism

Isomerism occurs when compounds have the same molecular formula but different atom arrangements or spatial orientations. The content includes chain, position, functional, metameric and tautomeric isomerism, along with geometrical and optical isomerism, including cis-trans forms, E/Z notation, chirality and enantiomers.

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