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Carbon and its Compounds — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceCarbon and its Compounds1 Mark
MCQ
Which of the following cannot exhibit isomerism?
  • A
    $\mathrm{C}_4 \mathrm{H}_{10}$
  • B
    $\mathrm{C}_5 \mathrm{H}_{12}$
  • ✓
    $\mathrm{C}_3 \mathrm{H}_8$
  • D
    $\mathrm{C}_6 \mathrm{H}_{14}$
✓

Answer

Correct option: C.
$\mathrm{C}_3 \mathrm{H}_8$
$\mathrm{C}_3 \mathrm{H}_8$ is the compound which cannot exhibit isomerism, as it contains only $3$ carbon atoms. Isomerism is possible only with hydrocarbons containing $4$ or more carbon atoms.

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