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9. Hydricarbon — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistry9. Hydricarbon1 Mark
MCQ
Which is incorrect statement about heats of combustion ?
  • A

  • B

  • ✓
    $Iso-butene > trans-2-butene > 1-butene$
  • D
    $n-Hexane < n-Heptane < n-Octane$
✓

Answer

Correct option: C.
$Iso-butene > trans-2-butene > 1-butene$
c
$(c)$ Iso-butene is most stable isomer of butene.
$\therefore$ It have least heat of combustion.

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