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9. Hydricarbon — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistry9. Hydricarbon1 Mark
MCQ
Petroleum consists mainly of
  • ✓
    Aliphatic hydrocarbons
  • B
    Aromatic hydrocarbons
  • C
    Aliphatic alcohols
  • D
    None of these
✓

Answer

Correct option: A.
Aliphatic hydrocarbons
a
Liquefied Petroleum Gas or LPG (also called Autogas) consists mainly of Aliphatic hydrocarbons

(propane, propylene, butane, and butylene in various mixtures).

It is produced as a by-product of natural gas processing and petroleum refining.

Petroleum is a mixture of a very large number of different hydrocarbons; the most commonly found molecules are alkanes (paraffins), cycloalkanes (naphthenes), aromatic hydrocarbons, or more complicated chemicals like asphaltenes.

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