Asked in FBISE Chemistry 2023 — Paper 1 2023Moderate

Geomterical isomerism is shown by:

Correct answer: D. 2-Butene

  • A. Lactic acid
  • B. Acetic acid
  • C. 1-Butene
  • D. 2-Butene

Explanation

2-Butene does exhibit geometrical isomerism. It has a double bond between the second and third carbon atoms, and the different spatial arrangements of the methyl groups on the second carbon atom result in cis and trans isomers.

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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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