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

The major product of the reaction given below is

Classify the types of chemical reactions that alkenes undergo and provide examples for each.

For the given reaction sequence,identify the products $(C)$ and $(D)$ formed after ozonolysis of the major product $(B)$:
$(CH_3)_2CH-CHCl-CH_3$ $\xrightarrow{C_2H_5ONa / C_2H_5OH} B$ $\xrightarrow{O_3 / H_2O_2} C + D$

Which is the correct order of stability for the given isomers of butene?

Allyl chloride on dehydrochlorination gives: