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order of oxidising power of HOCl, HOClO,HOClO2,HOClO3

order of oxidising power
of HOCl, HOClO,HOClO2,HOClO3

Grade:12

1 Answers

Arun
25750 Points
6 years ago
HClO4 > HClO3 > HClO2 > HClO is the order of acidic strength of the oxyacids.For oxoacid of same halogen but in different oxidation state the acidic character increases with increase in oxidation number or number of oxygen atoms. According to Bronsted Lowry theory, an acid is a proton donor, the more easily a species donates the protons the stronger is the acid strength. An acid donates its proton to form the conjugate base. If the corresponding conjugate base of the acid is stable, the acid has stronger tendency to lose the proton. The conjugate bases for the oxyacids are ClO-, ClO2-, ClO3- and ClO4-. The bigger the atom the better is dispersal of charge on the anion and greater is the stability. Hence, ClO4- is the most stable anion and ClO- the least and ClO- is the weakest acid.

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