Give suitable answers for the following questions : Among Na^(+), Ca^(2+) , Mg^(2+) , Al^(3+) which has high polarisingpower ?

Give suitable answers for the following questions : Among Na^(+), Ca^

1.	Give suitable answers for the following questions : Among Na^(+), Ca^(2+) , Mg^(2+) , Al^(3+) which has high polarisingpower ?
Answer» Solution :`Al^(3+)` has higher POLARISING POWER because of large cationic SIZE.