Among P2O5, As2O3, Sb2O3 and Bi2O3, the most acidic oxide is
(a) P2O5
(b) As2O3
(c) Sb2O3
(d) Bi2O3
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Among P2O5, As2O3, Sb2O3 and Bi2O3, the most acidic oxide is
(a) P2O5
(b) As2O3
(c) Sb2O3
(d) Bi2O3
Among P2O5, As2O3, Sb2O3 and Bi2O3, the most acidic oxide is
(a) P2O5
(b) As2O3
(c) Sb2O3
(d) Bi2O3
Answer is : (a) P2O5
P2O5, As2O3 are acidic oxides, Sb2O3 is an amphoteric while Bi2O3 is basic oxide but P2O5 is most acidic among them all. This is because down the group, metallic character increases and metal oxides are more basic, thus the basicity of metallic oxides also increases.