UoG chemistry section 1

1. What is the hybridization of I3-?

• A. sp3

• B. Sp2

• C. Sp3d2

• D. sp3d

What is the maximum number of electrons in n = 3, l = 1, ml = -1?

• A. 18

• B. 9

• C. 2

• D. 6

The chemical formula of calcium cyanide?

• A. CaS

• B. Ca2(CN)3

• C. Ca(CN)2

• D. Ca2N3

The oxidation half reaction at the anode in the electrolysis of concentrated sodium chloride is

• A. Na+ + 2e- .......... Na

• B. 2Cl- + 2e- ......... Cl2

• C. Na ........ Na+ + e-

• D. 2Cl- ....... Cl2 + 2e-

What is the maximum number of electrons in n = 3, l = 1, ml = -1, ms = -1/2?

• A. 18

• B. 9

• C. 2

• D. 1