NEET Chemistry The s-Block Elements Questions Solved

The basic character of oxides MgO, SrO, K2O, NiO and Cs2O increases in the order –

(A) MgO>SrO>K2O>NiO>Cs2O

(B)  Cs2O>K2O>MgO>SrO>NiO

(C) NiO<MgO<SrO<K2O<Cs2O

(D) K2O<NiO<MgO<SrO<Cs2O

(C). Alkali metal oxides are more basic than alkaline earth metal oxides and basic nature increases as we move down the group.

Difficulty Level:

  • 16%
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