Chapter 9
There are __ unhybridized p atomic obritals in an sp'2 hybridized carbon atom
1
The Cl-Si-Cl bond angle in the SiCl,2F,2 molecule is approximately
109.5 degrees
The F-N-F bond angle in the NF,3 molecule is slightly less than
109.5 degrees
The angles between sp'2 orbitals are ____
120 degrees
There are ____ unhybridized p atomic orbitals in an sp-hybridized carbon atom
2
There are ___ sigma and ___ pie bonds in the acetylene molecule H - C -=C-H
3 and 2
there are _ sigma and _ pie bonds in the H,2C=CH,2 molecule
5 and 1
PCl,5 has ___ electron domains and a ____ molecular arrangement
5, trigonal bipyramidal
THe electron domain gemoetry and the molecular geometry of a molecule of the general formal AB,n are
sometimes the same
The hybridization of nitrogen in the HCN molecule is H-C-= N:
sp
The carbon-carbon sigma bond in ethylene, H,2C=CH,2 results from the overlap of
sp'2 hybrid orbitals
a molecule has the formula AB,3 and the central atom is in a different plane from the surrounding three atoms, its molecular shape is
trigonal pyramidal
a molecular orbital can accommodate a maximum of ____ electron(s)
two
of the molecules below, only ____ is polar SbF,5 Ash,3 I,2 SF,6 CH,4
AsH,3
Of the molecules below, only ___ is nonpolar CO,2 H,20 NH,3 HCl TeCl,2
CO,2
in order to produce sp'3 hybrid orbitals, __s atomic orbital(s) and ___ p atomic orbital(s) must be mixed
One, three
In comparing the same two atoms bonded together, the ____ the bond order, the _____ the bond length, and the _____ the bond energy
Smaller, longer smaller
The molecular geometry of the left most carbon atom in the molecule below is _ H O | || H-C-C-O-H | H
Tetrahedral
The electron domain geometry and the molecular of the general formula AB,n will always be the same if
There are no lone pairs on the central atom
For a molecular with the formula AB,3 the molecular shape is
Trigonal planar, trigonal pyramidal, or t-shaped
The molecular geometry of the right-most carbon in the molecule below is H O | || H-C-C-O-H | H
Trigonal planer
The electron domain geometry of _____ is tetrahedral CBr,4 PH,3 CCL,2Br, XeF,4 all of these except XeF,4
Trigonal pyramidal
The molecular geometry of the BrO.3- ion is
Trigonal pyramidal
the molecular geometry of ___ is square planar.
XeF,4
ONe significant difference between gases and liquids is that
a gas assumes the volume of its container
WHen four atomic orbitals are mixed to from hybrid orbitals, how many hybrid orbitals are formed?
four
According to MO theory, overlap of two p atomic obritals produces
one bonding molecular orbital and one antibonding molecular orbital
A typical double bond consists of
one sigma and one pi bond
A typical triple bond consists of
one sigma and two pi bonds
IN order to produce sp'2 hybrid orbitals, ___ s atomic orbital(s) and ____ p atomic orbital(s) must be mixed
one, two
the pie bond in ethylene H,2C=CH,2results from the overlap of
p atomic orbitals