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When naming tertiary or quartenry compounds e.g HNO3 [trioxonitrate (v)], H2SO4 [tetra Oxo Sulphate (iv) acid]rnwhy's hydrogen not included in it's name.rne.g HNO3 not named Hydrogen TriOxoNitrate (v) acid and H2SO4 not Hydrogen tetra Oxo Sulphate (iv) acid
Accepted Answer
In naming oxyacids, hydrogen is not included in the name because it is assumed to be present as a hydrogen ion (H+). The focus is on the central atom and the oxygen atoms bonded to it. The prefixes "tri" and "tetra" indicate the number of oxygen atoms bonded to the central atom, while the Roman numeral in parentheses indicates the oxidation state of the central atom.
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