Ch.22 - Chemistry of the Nonmetals
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- Complete the exercises below. Select the more acidic member of each of the following pairs: a. Mn₂O₇ and MnO₂, b. SnO and SnO₂, c. SO₂ and SO₃, d. SiO₂ and SO₂, e. Ga₂O₃ and In₂O₃, f. SO₂ and SeO₂.
Problem 4
- Complete the exercises below. Write the chemical formula for each of the following compounds, and indicate the oxidation state of nitrogen in each: a. nitric oxide, b. hydrazine, c. potassium cyanide, d. sodium nitrite, e. ammonium chloride, f. lithium nitride.
Problem 5
- Complete the exercises below. Account for the following observations: a. H₃PO₃ is a diprotic acid. b. Nitric acid is a strong acid, whereas phosphoric acid is weak. c. Phosphate rock is ineffective as a phosphate fertilizer. d. Phosphorus does not exist at room temperature as diatomic molecules, but nitrogen does. e. Solutions of Na₃PO₄ are quite basic.
Problem 6