The octane number can be improved by $...............$.

Which is the most precise designation of stereochemistry for the products formed in the electrophilic addition of $DBr$ to $1$-methylcyclohexene? ($D = {}^2H$,an isotope of hydrogen)

$A$ triene is treated with ozone followed by zinc in acetic acid to give the following three products. What is the structure of the triene?

$2CH_3-C(Ph)=CH_2 \xrightarrow{H-A (acid)} (A) (major)$
Product $(A)$ is:

When glycerol is heated with $KHSO_4$,it gives:

Give the isomers of $C_3H_6$ and their names.