Q.
Arrange the following in increasing order of basic strength : MgO,SrO,K2O,NiO,Cs2O
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IIT JEEIIT JEE 1991The s-Block Elements
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Solution:
Basic strength (i) decreases from left to right in period and
(ii) increases from top to bottom in group. Therefore, NiO<MgO<SrO<K2O<Cs2O Basic strength