Identify the major product of the following reaction:

What is the product of the mild oxidation of glycerol using $H_2O_2/FeSO_4$?

The octane number of a sample of petrol is $40$. It means that its knocking property is equal to the mixture of

Which of the following compounds does not react with $Na$ metal?

The inorganic origin of petroleum is indicated by the fact that

Styrene on reaction with reagent $X$ gave $Y$, which on hydrolysis followed by oxidation gave $Z$. $Z$ gives a positive $2,4-DNP$ test but does not give the iodoform test. What are $X$ and $Z$ respectively?