A) \[{{N}_{2}}{{O}_{5}}\]
B) \[{{P}_{2}}{{O}_{5}}\]
C) \[A{{s}_{2}}{{O}_{5}}\]
D) \[S{{b}_{2}}{{O}_{5}}\]
Correct Answer: A
Solution :
Acidic nature of oxides decreases down a group. So, \[{{N}_{2}}{{O}_{5}}\] is most acidic. Another reason of acidic strength of \[{{N}_{2}}{{O}_{5}}\] is that the electronegativity of N is maximum in die given Vth group elements. As we know that by increasing the electronegative character, acidic nature increases.
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