MCQ
Which of the following has lowest knocking property
- AOlefins
- BStraight chain paraffins
- ✓Aromatic hydrocarbons
- DBranched chain paraffins
✓
Answer
Correct option: C.
Aromatic hydrocarbons
c
An antiknock agent is a gasoline additive used to reduce engine knocking and increase the fuel's octane rating by raising the temperature and pressure at which auto-ignition occurs.
An antiknock agent is a gasoline additive used to reduce engine knocking and increase the fuel's octane rating by raising the temperature and pressure at which auto-ignition occurs.
Aromatic hydrocarbon have the highest knocking property.
The decreasing order of knocking properties are:
Straight chain paraffins $\,>\,$ branched changed peraffins $\,>\,$ olifeins $\,>\,$ cyclo alkanes $\,>\,$ aromatic.
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