Reaction of $HBr$ with propene in the presence of peroxide gives

Alkenes react with water in the presence of acid as a catalyst to form alcohols: $CH_3-CH=CH_2 + H_2O \xrightarrow{H^{+}} CH_3-CH(OH)-CH_3$. The reaction takes place in accordance with:

Ethylene reacts with sulphur monochloride to form

Which type of bond exists between the two carbon atoms of an alkene?

Hydrolysis of ozonide of $but-1-ene$ gives

$CH_3-CH(CH_3)-CH=CH_2 + HBr \rightarrow A$. $A$ (predominantly) is: