Orthophosphoric acid

CHEMISTRY · Multi correct · CBSE · Chemistry · Classification of Elements and Periodicity in Properties · Classification of Elements and Periodicity in Properties

Problem

Orthophosphoric acid →220∘Cgentle heatX\xrightarrow[220^{\circ}\mathrm{C}]{\text{gentle heat}} X. What is/are correct about XX? (1) It is a tetrabasic acid. (2) It contains one P−O−P\mathrm{P-O-P} bond. (3) It is a dibasic acid. (4) On hydrolysis it produces metaphosphoric acid.

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