Teaching HSSC TGT 2023 Mock Test (Latest Pattern) Chemistry S - Block Group 1 Elements (Alkali Metals)
The set representing the correct increasing order of basic character is:
1
K2O < Na2O < Al2O3 < MgO
2
MgO < Al2O3 < K2O < Na2O
3
Na2O < K2O < MgO < Al2O3
4
Al2O3 < MgO < Na2O < K2O
5
Not Attempted