$Isobutene + HBr \xrightarrow{\text{Peroxide}} \text{Product}$ is:

The stereochemistry of the product formed in the following reaction is:

The major product of the reaction of $2$-butene with alkaline $KMnO_4$ solution is

The product $(A)$ of the given alkoxymercuration-demercuration reaction is:

Write about ozonolysis of alkene.

Identify $Z$ in the following reaction series: $CH_3-CH_2-CH_2-Br$ $\xrightarrow{NaOH(aq.)} (X)$ $\xrightarrow[Heat]{Al_2O_3} (Y)$ $\xrightarrow{HOCl} (Z)$