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

The compounds in which similar groups are present on the same side of a double bond are called as _?

Correct answer: C. Cis isomers

  • A. Trans isomers
  • B. Positional isomers
  • C. Cis isomers
  • D. None of these

Explanation

In geometric isomerism, the prefix "cis-" (from Latin, meaning "on this side") is used to describe the isomer where two similar or identical substituent groups are on the same side of the double bond or ring.

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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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