A) \[{{\operatorname{Cl}}_{2}}{{O}_{7}}>S{{O}_{2}}>{{P}_{4}}{{O}_{10}}\]
B) \[{{\operatorname{K}}_{2}}O > CaO > MgO\]
C) \[{{\operatorname{CO}}_{2}}>{{N}_{2}}{{O}_{5}}>S{{O}_{3}}\]
D) \[{{\operatorname{Na}}_{2}}O>MgO>A{{l}_{2}}{{O}_{3}}\]
Correct Answer: A
Solution :
Acidic character of oxide \[\propto \] Non-metallic nature of element. Non-metallic character increases along the period. Hence order of acidic character is \[{{\operatorname{Cl}}_{2}}{{O}_{7}}>S{{O}_{2}}>{{P}_{4}}{{O}_{10}}\]
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