Structural Isomerism Quiz

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Questions and Answers

What is structural isomerism?

  • Isomers that differ in the arrangement of atoms.
  • Isomers that can change into one another through rotation.
  • Isomers that differ in the type of bonds between atoms.
  • Isomers that have the same molecular formula but different structural formulas. (correct)

Which of the following is an example of structural isomerism?

  • Stereoisomers that rotate plane-polarized light.
  • Cis and trans isomers of alkenes.
  • Butane and isobutane. (correct)
  • Optical isomers that are mirror images.

Which structural form of isomerism involves different connectivity of atoms?

  • Cis-trans isomerism.
  • Functional group isomerism. (correct)
  • Geometric isomerism.
  • Tautomeric isomerism.

What distinguishes structural isomers from one another?

<p>The sequential order of bonded atoms. (A)</p> Signup and view all the answers

Which phenomenon best describes structural isomerism?

<p>Different compounds having the same molecular formula. (B)</p> Signup and view all the answers

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Study Notes

Structural Isomerism

  • Structural isomerism occurs when molecules have the same molecular formula but differ in the way their atoms are connected.
  • It involves the arrangement of atoms in a molecule, resulting in different molecular structures.
  • Structural isomerism is a type of isomerism that involves a difference in the connectivity of atoms.

Examples of Structural Isomerism

  • Butane (CH₃CH₂CH₂CH₃) and 2-methylpropane (CH₃CH(CH₃)CH₃) are examples of structural isomers, as they have the same molecular formula (C₄H₁₀) but differ in their atomic connectivity.

Characteristics of Structural Isomers

  • Structural isomers have the same molecular formula but differ in their molecular structure.
  • They are distinguished from each other by their different atomic connectivity.
  • Structural isomerism is a phenomenon that illustrates the concept of molecular chaos, where a single molecular formula can give rise to multiple molecular structures.

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