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9. Hydricarbon — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry9. Hydricarbon1 Mark
MCQ
Kerosene is a mixture of
  • ✓
    Alkanes
  • B
    Aromatic compounds
  • C
    Alcohols
  • D
    Aliphatic acids
✓

Answer

Correct option: A.
Alkanes
a
Kerosene is a thin, clear liquid formed from hydrocarbons obtained from the fractional distillation of petroleum between $150^{\circ} C$ and $275^{\circ} C$, resulting in a mixture with a density of $0.78-0.81\, g / cm ^3$.It is composed of carbon chains that typically contain between $6$ and $16$ carbon atoms per molecule. It is miscible in petroleum solvents but immiscible in water. Kerosene's major components are branched and straight chain alkanes and naphthenes (cycloalkanes), which normally account for at least $70 \,\%$ by volume.

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