The increasing order of basic character of oxides `MgO,SrO,K_(2)O and Cs_(2)O` is

Options

A. `MgO lt SrO lt K_(2)O lt Cs_(2)O`
B. `CrO lt MgO lt Cs_(2)O lt K_(2)O`
C. `Cs_(2)O lt K_(2)O lt SrO lt MgO`
D. `K_(2)O lt Cs_(2)O lt SrO lt MgO`

Answer

A

Explanation

Basic character of oxides increases down the group while decreases in a period.