You need to log-in or subscribe in order to use Student access.

Fossil fuels answers

1. (a) RON (Research octane number) refers to the auto-ignition tendency for a fuel. The lower the octane number the more likely the fuel is to auto-ignite under compression. Aromatic compounds such as methylbenzene have a higher octane rating than 100 as they are less likely to auto-ignite under compression than 2,2,4-trimethylpentane, i.e. they are less likely to cause ‘knocking’.(b) Octane number = (87/100 x 100)...

To access the entire contents of this site, you need to log in or subscribe to it.

Alternatively, you can request a one month free trial.