Discussion:
Chlorine and Halogens
1. Which of the following free halogens CANNOT be prepared by the electrolysis of water solution of its salt?
A) F2
B) Cl2
C) Br2
D) I2
E) At2
2. Which one of the following has the smallest atomic radius?
A) Li
B) Cs
C) F
D) Na
E) Cl
3. Which of the following nonmetal oxides is paired with the acid which will result form the addition of water to the nonmetal oxide?
A) NO2 and HNO2
B) SO2 and H2SO4
C) P4O10 and H3PO3
D) Cl2O7 and HClO4
E) NO and HNO2
4. Aqueous solutions of which one of the following salts will give the most basic solution?
A) NaOCl
B) NaCl
C) NaClO2
D) NaClO3
E) NaClO4
5. All of the following are ways that hydrogen chloride can be produced EXCEPT
A) SiCl4 + 2H2O SiO2 + 4HCl
B) CaCl2 + H2SO4 CaSO4 + 2HCl
C) H2 + Cl2 uv 2HCl
D) C2H6 + Cl2 C2H5Cl + HCl
E) KCl + H2O KOH + HCl
6. DRAW the Lewis structure for chlorous acid.