MCQ
Which of the following has highest knocking property
- AAromatic hydrocarbons
- BOlefins
- CBranched chain paraffins
- ✓Straight chain paraffins
✓
Answer
Correct option: D.
Straight chain paraffins
d
(d) Octane number increases in the order
(d) Octane number increases in the order
Straight chain alkanes < Branched chain alkanes < Olefins < Cyclo alkanes < Aromatic compounds
Since, straight chain alkane has minimum octane number. Hence, it produces maximum knocking.
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