The basicity of orthophosphoric acid (H_3PO_4 | vedclass

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Question

(B) The chemical formula of orthophosphoric acid is $H_3PO_4$.In its structure,the phosphorus atom is bonded to one oxygen atom via a double bond and

Vedclass · Accepted Answer

$3$

Vedclass · Answer

(B) The chemical formula of orthophosphoric acid is $H_3PO_4$.In its structure,the phosphorus atom is bonded to one oxygen atom via a double bond and to three hydroxyl $(-OH)$ groups via single bonds.The basicity of an oxoacid is defined by the number of ionizable hydrogen atoms attached to oxygen atoms.Since there are $3$ $-OH$ groups present in $H_3PO_4$,it can release $3$ protons ($H^+$ ions) in an aqueous solution.Therefore,the basicity of orthophosphoric acid is $3$.

The basicity of orthophosphoric acid $(H_3PO_4)$ is:

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