p-Block elementsHard
Question
The correct order of acid strength of oxyacids is :
Options
A.HCIO > HCIO2 > HCIO3 > HCIO4
B.HCIO2 > HCIO3 > HCIO > HCIO4
C.HCIO4 > HCIO3 > HCIO2 > HCIO
D.HCIO3 > HCIO4 > HCIO > HCIO2
Solution
The acid strength of oxyacids of the same halogen increase with increase in oxidation state of the helogen
+7 +5 +3 +1
HCIO4 > HCIO3 > HCIO2 > HCIO
Thus Cl in HClO4 is in highest oxidationstate (+7) and hence strongest acid, while HClO(Cl is in +1 oxidation state) is weakest.
+7 +5 +3 +1
HCIO4 > HCIO3 > HCIO2 > HCIO
Thus Cl in HClO4 is in highest oxidationstate (+7) and hence strongest acid, while HClO(Cl is in +1 oxidation state) is weakest.
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