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9. Hydricarbon — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry9. Hydricarbon1 Mark
MCQ
Name the hydrocarbon that is a liquid at  $STP$
  • A
    Ethane
  • B
    Propane
  • C
    $n-$ butane
  • ✓
    $n-$ pentane
✓

Answer

Correct option: D.
$n-$ pentane
d
Lower hydrocarbons which contain up to $4$ carbon atoms are gases at room temperature whereas higher hydrocarbons are liquid at room temperature. Thus $N - P$ entane is liquid at room temperautre.

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