Which of the following is wrong?
NH3 < PH3 < AsH3 < Acidic character
Li < Be < B < C < IE1
Al2O3 < MgO < Na2O < K2O < Basic character
Li+ < Na+ < K+ < Cs+ < Ionic radius
Across a period, the Basic character of oxides decreases. This means that aluminium oxide will have lowest basic character.