Which of the following is formed when propene is heated with bromine at high temperature?

The correct order of reactivity of hydrogen halides with propene is

$CH_3-CH=CH_2 + NOCl \to$ Product (Major). Identify the product.

An alkene $X$ with formula $C_4H_8$ does not exhibit geometrical isomerism. In the conversion of $X$ to $Y$,the correct sequence of reagents $A$ and $B$ used are ($Y$ gives iodoform test):
$X$ $\xrightarrow{A} \text{Intermediate}$ $\xrightarrow{B} Y$

What will be the product of the reaction: $CH_3-CH=C(CH_3)_2 + HCl \to$ ?

When $2-$Methylbut$-2-$ene is treated with hydrogen chloride,the major product formed is