Among the oxides listed below, indicate basic and acidic: a) calcium oxide; b) sulfur oxide (IV); c) phosphorus (V) oxide;

Among the oxides listed below, indicate basic and acidic: a) calcium oxide; b) sulfur oxide (IV); c) phosphorus (V) oxide; d) copper (II) oxide; e) iron oxide (II); f) chromium (VI) oxide. Write the formulas for acids and bases that correspond to these oxides.

Basic oxides:
a) calcium oxide – CaO: base – Ca (OH) 2
d) copper oxide (P) – CuO; base – Cu (OH):
e) iron oxide (III -FeO: base – Fe: OH);

Acidic oxides:
b) sulfur oxide (IV) – SO2; acid- H2SO4
c) phosphorus (V) oxide – P5O5: acid – H3PO4
f) chromium (VI) oxide – CIO3; acid – Н2СrO4

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