Fort Chem On-line Quiz - Bonding & Molecular geometry
1
Which is the most polar end?
-- Choose an answer --
O - F
N - F
C - F
F - F
Cl - F
2
Which of the following compounds exhibits ionic bonding?
-- Choose an answer --
CCl4
MgCl2
Cl2
PCl3
OF2
3
Which of the following element combinations is likely to produce ionic bonds in a compound?
-- Choose an answer --
Li and F
B and O
N and O
P and S
Cl and Br
4
Which of the following element combinations is likely to produce covalent bonds in a compound?
-- Choose an answer --
K and F
Mg and O
N and Cl
Na and Cl
Na and F
5
Which compound has the most ionic bond?
-- Choose an answer --
LiCl
LiF
KF
KCl
NaCl
6
Which species has more than eight electrons around the central atom?
-- Choose an answer --
BF3
BF4^-
BrF3
PF3
OF2
7
In drawing Lewis structures for the following compounds, which one would have oxygen as the central atom?
-- Choose an answer --
SO2
NO2
N2O
OF2
SOCl2
8
Which compound contains a carbon - oxygen double bond?
-- Choose an answer --
CO2
CH3OH
CH3 - O - CH3
CO
C2H5OH
9
Which statement is true regarding bond order, bond length, and bond energy?
-- Choose an answer --
As the bond order increases, the bond length increases.
As the bond order increases, the bond length decreases.
As the bond order increases, the bond energy decreases.
As the bond energy increases, the bond length increases.
As the bond energy increases, the bond order decreases.
10
Based on the VSEPR theory, what is the molecular shape of ClF3?
-- Choose an answer --
triangular planar
T-shaped
linear
tetrahedral
square planar
11
Based on the VSEPR theory, what is the molecular shape of CF4?
-- Choose an answer --
triangular planar
T-shaped
linear
tetrahedral
angular
12
Based on the VSEPR theory, what is the molecular shape of SCl2?
-- Choose an answer --
triangular planar
T-shaped
linear
tetrahedral
angular
13
Two ions which have a similar shape are
-- Choose an answer --
CO3^2- and NO3^-
SO3^2- and CO3^2-
PO3^3- and CO3^2-
PO3^3- and NO3^-
SO4^2- and NO3^-
14
Describe the shape and polarity of the molecule O = C = Se
-- Choose an answer --
It is linear and polar with the O end more positive than the Se end.
It is linear and polar with the Se end more positive than the O end.
It is angular with the C end more positive.
It is linear and nonpolar.
It is angular and nonpolar
You got
out of
correct.
Your Score:
%