Quantitative Analysis 2

An anion in aqueous solution produces: 
1. Effervescence when hydrochloric acid is added
2. Gas given off form a white precipitate with lime water. 
What is the ion?

• Carbonate ion , CO₃^2-
• Nitrate ion, NO₃^-
• Sulfate ion, SO₄^2-
• Chloride ion, Cl^-

An anion in aqueous solution produces: 
1. Effervescence when sodium hydroxide and aluminium foil is added to the solution and warm.
2. Moist red litmus paper turn blue
What is the ion?

• Carbonate ion , CO₃^2-
• Nitrate ion, NO₃^-
• Sulfate ion, SO₄^2-
• Chloride ion, Cl^-

An anion in aqueous solution produces: 
1. white precipitate when dilute nitric acid follow by barium nitrate solution is added.
What is the ion?

• Carbonate ion , CO₃^2-
• Nitrate ion, NO₃^-
• Sulfate ion, SO₄^2-
• Chloride ion, Cl^-

An anion in aqueous solution produces: 
1. white precipitate when dilute nitric acid follow by barium nitrate solution is added.
What is the White precipitate?

• BaCl
• BaNO₃
• BaSO₄

An anion in aqueous solution produces: 
1. white precipitate when dilute nitric acid follow by silver nitrate solution is added.
What is the ion?

• Carbonate ion , CO₃^2-
• Nitrate ion, NO₃^-
• Sulfate ion, SO₄^2-
• Chloride ion, Cl^-

An anion in aqueous solution produces: 
1. white precipitate when dilute nitric acid follow by silver nitrate solution is added.
What is the white precipitate?

• AgCl
• AgNO₃
• Ag₂SO₄

A metallic ion in aqueous solution produces 
1. a white precipitate with aqueous ammonia, soluble in excess;
2. a white precipitate with aqueous sodium hydroxide, soluble in excess.
What is the ion?

• Al³⁺
• Ca²⁺
• K⁺
• Zn²⁺

A metallic ion in aqueous solution produces 
1. a white precipitate with aqueous ammonia, insoluble in excess;
2. a white precipitate with aqueous sodium hydroxide, soluble in excess.
What is the ion?

• Al³⁺
• Ca²⁺
• Pb²⁺
• Zn²⁺

A metallic ion in aqueous solution produces 
1. no precipitate with aqueous ammonia;
2. a white precipitate with aqueous sodium hydroxide, insoluble in excess.
What is the ion?

• Al³⁺
• Ca²⁺
• Pb²⁺
• Zn²⁺

A metallic ion in aqueous solution produces 
1. light blue precipitate with aqueous ammonia, soluble in excess to form deep blue solution;
2. light blue precipitate with aqueous sodium hydroxide, insoluble in excess.
What is the ion?

• Al³⁺
• Ca²⁺
• Cu²⁺
• Zn²⁺