Diimide $(N_2H_2)$ is used to reduce the double bond of:

Which of the following products are formed upon the addition reaction of $DCl$ with $3-methyl-1-butene$?

An alkene $'A'$ on ozonolysis gives a mixture of ethanal and pentan$-3-$one. Write the structure and $IUPAC$ name of $'A'$.

Which $\pi$-bond will be reduced first when the compound shown below undergoes catalytic hydrogenation?

Which of the following alkenes is the most stable?

Which of the following alkenes on ozonolysis gives a mixture of ketones only?