Chemistry


Chapter : 5. Compounds of Common Use

6. Monoprotic Acids. Those acids which give one H+ ion in aqueous solution are called monoprotic acids, e.g., HCl, HBr, HI, HNO3, HNO2 (nitrous acid), CH3COOH (Acetic Acid), HCOOH (Formic Acid) They form only one type of salts.
7. Diprotic Acids. Those acids which give two H+ ions in aqueous solution are called diprotic acids, e.g., H2SO4, H2CO3 (Carbonic Acid), H2SO3 (Sulphuric Acid), (COOH)2 (Oxalic Acid). They form two series of salts, one by replacing one hydrogen and another by replacing both the hydrogen atoms.
8. Triprotic Acids. Those acids which give three protons i.e. three H+ ions in aqueous solution are called triprotic acid, e.g., H3PO4 (Phosphoric Acid). They form three series of salts.

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