Which of the following acids forms three seri | vedclass

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(C) An acid that is tribasic can form three series of salts by replacing its three replaceable hydrogen atoms one by one.$H_3PO_4$ is a tribasic acid

Vedclass · Accepted Answer

$H_3PO_4$

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(C) An acid that is tribasic can form three series of salts by replacing its three replaceable hydrogen atoms one by one.$H_3PO_4$ is a tribasic acid because it contains three $P-OH$ bonds.It reacts with bases in three steps:$1. H_3PO_4 + NaOH \rightarrow NaH_2PO_4 + H_2O$$2. NaH_2PO_4 + NaOH \rightarrow Na_2HPO_4 + H_2O$$3. Na_2HPO_4 + NaOH \rightarrow Na_3PO_4 + H_2O$Thus,$H_3PO_4$ forms three series of salts.

Which of the following acids forms three series of salts?

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