Mustard gas is obtained by

Addition of $HI$ on the double bond of propene yields isopropyl iodide and not $n$-propyl iodide as the major product. This is because the addition proceeds through

Predict the major product formed when $HCl$ is added to $2-$methylprop$-1-$ene $(isobutylene)$. Explain the mechanism involved.

Electrolysis of an aqueous solution of .......... gives ethylene.

What is the first step of the addition reaction when $HBr$ is added to propene in the absence of peroxide?

Which of these does not follow Anti-Markownikoff's rule?