Which of the following arrangements gives the correct order of increasing basic character of the conjugate bases of the oxoacids of chlorine?
Which of the following arrangements gives the correct order of increasing basic character of the conjugate bases of the oxoacids of chlorine?
A. `ClO^(-) lt ClO_(2)^(-) lt ClO_(3) lt ClO_(4)^(-)`
B. `ClO_(4)^(-) lt ClO_(3)^(-) lt ClO_(2)^(-) lt ClO^(-)`
C. `ClO_(4)^(-) lt ClO_(3)^(-) lt ClO^(-) lt ClO_(2)`
D. `ClO_(3)^(-) lt ClO_(4)^(-) lt ClO_(2)^(-) lt ClO^(-)`
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Correct Answer - A
Smallest cation is heavily hydrated `ClO_(4)^(-)` has smallest central atom as it has +7 charge on it followed by `ClO_(3)^(-)(+5), ClO_(2)^(-)(+3),ClO^(-)(+1)`. So the order of hydration energy of `ClO_(4)^(-) gt ClO_(3)^(-) gt ClO_(2)^(-) gt ClO^(-)`
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