In which of the followinng compounds the carbon marked with asterisk is expected to have greatest positive charge?

In which of the followinng compounds the carbon marked with asterisk i

1.	In which of the followinng compounds the carbon marked with asterisk is expected to have greatest positive charge?
Answer» `overset(*)(C)H_(3)-CH_(2)-Cl` `overset()(C)H_(3)-CH_(2)-MG^(+)Cl^(-)` `overset()(C)H_(3)-CH_(2)-Br` `overset()(C)H_(3)-CH_(2)-CH_(3)` Solution :As Cl is most electronegative element among Cl, M, Br and C THUS, it has GREATER -I effect and the ASTERISK marked carbon in `.^(**)CH_(3)-CH_(2)-Cl` is expected to have greater POSITIVE charge.