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Relative Strength of Inorganic Acids

Relative Strength Of Inorganic Acids

(i) Hydrides

(a) The acidic strength increases with the increase in the electronegativity of the element directly attached with the hydrogen.

(b) The acidic strength increases with the increase in atomic size,

;

(ii) Oxyacids

(a) Among oxyacids of the same type formed by different elements, acidic nature increases with increasing electronegativity,

;

(b) In oxyacids of the same element, acidic nature increases with its oxidation number

;

(c) The strength of oxyacids increases from left to right across a period

(d) For the same oxidation state and configuration of the elements, acid strength decreases with increase in size of the atom.

;

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