1) A correct name for Fe(NO3)2 is ________.
A) iron nitrite
B) ferrous nitrite
C) ferrous nitrate
D) ferric nitrite
E) ferric nitrate
2) A buffer solution with a pH of 4.63 is prepared with 0.14 M formic acid and
________ M sodium formate. The Ka of formic acid is 1.8 x 10-4.
A) 1.1
B) 2.1
C) 5.4 x 10-6
D) 3.0 x 10-8
E) 0.54
3) Nitrosyl bromide decomposes according to the following equation.
2NOBr (g) 2NO (g) + Br2 (g)
A sample of NOBr (0.64 mol) was placed in a 1.00-L flask containing no NO or Br2. At
equilibrium the flask contained 0.16 mol of NOBr. How many moles of NO and Br2,
respectively, are in the flask at equilibrium?
A) 0.48, 0.24
B) 0.48, 0.48
C) 0.16, 0.08
D) 0.16, 0.16
E) 0.24, 0.42
4) PCl5 has ________ electron domains and a ________ molecular arrangement.
A) 6, trigonal bipyramidal
B) 6, tetrahedral
C) 5, square pyramidal
D) 5, trigonal bipyramidal
E) 6, seesaw
5) All of the following are ionic compounds except ________.
A) CH4
B) K2O
C) Be(OH)2
D) NiCl2
E) Sr3N2
6) The elements in groups 1A, 6A, and 7A are called ________, respectively.
A) alkaline earth metals, halogens, and chalcogens
B) alkali metals, chalcogens, and halogens
C) alkali metals, halogens, and noble gases
D) alkaline earth metals, transition metals, and halogens
E) halogens, transition metals, and alkali metals
7) Which one of the following is not an alcohol?
A) acetone
B) glycerol
C) ethanol
D) cholesterol
E) ethylene glycol
8) Which one of the following species is paramagnetic?
A) Cu+
B) Cr3+
C) Zn
D) Ca
E) Ag+
9) Of the following, ________ is a correct statement of Boyle’s law.
A) PV = constant
B) = constant
C) = constant
D) = constant
E) = constant
10) The normal boiling point of methanol is 64.7 oC and the molar enthalpy of
vaporization if 71.8 kJ/mol. The value of S when 1.75 mol of CH3OH (l) vaporizes at
64.7 oC is ________ J/K.
A) 0.372
B) 4.24 x 107
C) 372
D) 1.94 x 103
E) 1.94
11) Which two elements have the same ground-state electron configuration?
A) Pd and Pt
B) Cu and Ag
C) Fe and Cu
D) Cl and Ar
E) No two elements have the same ground-state electron configuration.
12) For a reaction to be spontaneous at low temperature, the signs of H o and S o
must be ________ and ________, respectively.
A) -, –
B) +, +
C) -, +
D) +, –
E) +, 0
13) How many liters of air are in a room that measures 11.0 ft X 12.0 ft and has a 10.0
ft ceiling?
1 in. = 2.54 cm (exactly); 1 L = 103 cm3
A) 3.74 X 104
B) 139
C) 40.2
D) 4.02 X 107
E) 1.01 X 106