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

The major product formed in the following reaction is:

Predict the major product for the following reaction:
$Cyclopentyl-ethene \xrightarrow[(ii) H_2O_2, NaOH]{(i) B_2H_6(THF)} ?$

$1-$butylene when subjected to hydroboration-oxidation reaction,yields:

The product of the following reaction is:
$CH_3-CH=CH-CH_3 \xrightarrow{MCPBA, CH_2Cl_2} \text{Product}$

In hydroboration-oxidation reaction $:-$
$I$. Syn addition takes place
$II$. Reaction proceeds through the formation of a cyclic transition state
$III$. Vicinal diol is obtained as a product
$IV$. Anti-addition takes place and Anti-Markovnikov rule is followed
Which of the following statement$(s)$ is/are correct $:-$