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Chapter 14 Multiple Choice Questions
Return to Inorganic Chemistry 7e student resources
Chapter 14 Multiple Choice Questions
The Group 14 elements
Quiz Content
*
not completed
.
All Group 14 elements, except ______________, have at least one solid phase with diamond-like structure.
Pb
correct
incorrect
Sn
correct
incorrect
Ge
correct
incorrect
*
not completed
.
Partially crystalline forms of carbon include:
diamonds
correct
incorrect
carbon clusters
correct
incorrect
activated carbon
correct
incorrect
*
not completed
.
Compared to hydrocarbons, silanes are:
more reactive
correct
incorrect
less reactive
correct
incorrect
just as reactive
correct
incorrect
*
not completed
.
The thermal stability of germane (GeH
4
), stanane (SnH
4
), and plumbane (PbH
4
) decreases in the following order:
There is no appreciable difference in the thermal stability of germane, stanane, and plumbane.
correct
incorrect
GeH
4
> SnH
4
> PbH
4
correct
incorrect
PbH
4
> SnH
4
> GeH
4
correct
incorrect
*
not completed
.
Which statement is incorrect?
CO is a strong reducing agent.
correct
incorrect
CO is an excellent ligand toward metals in low oxidation states.
correct
incorrect
CO reacts with OH
–
to form HCOO
–
.
correct
incorrect
*
not completed
.
The anion [Si
3
O
9
]
n–
has a ___________ structure and a charge of ____________:
three-atomic ring; –3
correct
incorrect
six-atomic ring; –6
correct
incorrect
nine-atomic ring; –9
correct
incorrect
*
not completed
.
The cyanide ion, CN
–
, is:
isoelectronic with the CO
2
molecule.
correct
incorrect
a weak Brønsted base
correct
incorrect
highly poisonous
correct
incorrect
*
not completed
.
Molecular sieves are:
crystalline alumosilicates that have open structures with apertures of molecular sizes
correct
incorrect
soccer-ball-shaped cluster compounds consisting of carbon atoms
correct
incorrect
concentric cylindrical tubes formed of sheets containing hexagonal arrangements of carbon atoms
correct
incorrect
*
not completed
.
Silicon polymers can be synthesized in liquid, gel, or resin forms, which, just like their properties, depend on:
the length of the polymeric chain
correct
incorrect
the degree of polymerization and cross-linking of the polymer chains
correct
incorrect
the degree of branching of the polymer chains
correct
incorrect
*
not completed
.
Unlike organosilicon and organogermanium compounds, the organotin compounds are characterized by:
greater occurrence of the +2 oxidation state, greater range of coordination numbers, and the presence of halide bridges
correct
incorrect
greater occurrence of the +4 oxidation state, greater range of coordination numbers, and the presence of halide bridges
correct
incorrect
greater occurrence of the +4 oxidation state, lower range of coordination numbers, and the presence of halide bridges
correct
incorrect
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