The Sblock Elements Ques 19
19. Which of the following oxides is most acidic in nature?
[2018]
(a) $MgO$
(b) $BeO$
(c) $CaO$
(d) $BaO$
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Answer:
Correct Answer: 19.(b)
Solution:
(b) In metals, moving down the group, metallic character increases, so basic nature increases hence most acidic will be $BeO$.
$\xrightarrow[\text{ increasing basic character }]{BeO<MgO<CaO<BaO}$