(a) Write the balanced chemical equation for the reaction of `Cl_(2)` with hot and concentrated `NaOH`. Is this reaction a disproportion reaction?
(b) when `HCl` reacts with finely powdered iron, it forms ferrous chloride and not ferric chloride. why?
Deduce the molecular shape of `BrF_(3)` on the basis of `VSEPR` theory.