• complete the rnx..CH₃-CH=CH₂​ +NOCl----
• plz be quick with ur ans

The reaction proceeds through Markonikoff addition. That is the negative part of the addendum goes and adds to carbon having less number of hydrogen. 
$$\begin{gathered} NOCl \to N{O}^{+} +\hspace{0.17em}C{l}^{-} \\ So C{l}^{-} adds to propene as follows \\ C{H}_3-CH=C{H}_2 +\hspace{0.17em}NOCl \to C{H}_3-CH\left(Cl\right)-C{H}_2\left(NO\right) \end{gathered}$$