What is meant by octane number of fuel is 75 ?
The octane number of fuel is 75 means that a fuel that knocks at the same compression level as a mixture of 75% iso-octane mixed with 25% n-heptane would have an octane rating of 75.
Hi! I have confusion in functional group. I have got a homework that whether R= H or not. for eg. R-OH, R is not equal to H coz it form water. Similarly, in ketone, ether, acid anhydride, and thiol, what to do?