To neutralize compltely 20 ml of 0.1 M aqueous solution of phosphorus acid, the volume of 0.1 molal aqueous KOH solution required is

To neutralize compltely 20 ml of 0.1 M aqueous solution of phosphorus

1.	To neutralize compltely 20 ml of 0.1 M aqueous solution of phosphorus acid, the volume of 0.1 molal aqueous KOH solution required is
Answer» 10 ml 60 ml 40 ml 20 ml Solution :EQ of `H_(3)PO_(3)` = Eq of KOH `2xx0.1xx20=1xx0.1xxV_(2)impliesV_(2)=40ml`