ch.7:
Sec. 7.4-7.8
Chem 157
Insfructon Houk
I)ate: 3t3n4
Supplemental lnstruction
lowa State University
1.
Emily M
Leader:
Course:
Irr each Soup of three bonds, which bond is likely to be &e most polar? Which
the least polar?
a.
c-H, o-H,
s-H fN of t * S M qgGl, Borh [iD \r0st !0\0f
$ - u \r {\o$l}tsf
will
be
,
b' c-cl' cl-cl' H-cl u\- t \ i\ \tust- ylef
t*uro* *\
\l-Ur \s most \o[qi
c' F-F, o-F, c-F (
- r rs leosl Fotar isnrw m\
L- F \s fn DSl-'\old "
for OCS.
the
best
Lewis
structure
Draw
a. Estimate the bond angle. t .
,n
I
t$t'
b.
L\inmr\
.\ = L--.5,
How many sigrna bonds and how many pi bonds are there in OCS?
,)_
a ,L r,
The oxalate ion is shown klow.
a
What is the correct charge on the ion? What type of
hybridization is expected for each of the carbon atoms? How many sigma bonds and how
many pi bonds are there in the structure?
J.
0\lqr-
:o: :0:
ll
il
.6-- c- c- !i:
4.
s0
b)
-t
shouufl, shou\d, W
thorp
s\r
c\ n r,Lr
What hybrid orbitals would be expected for the central atom in each of the following
molecules?
"')gU,0t
\\g
-\
t( rLl
b.
t,,' PBrr
'"'L- !
s)3
a.
Gecl+
o
c. BeFz
\'ot
q(l
(-k-r
u
1060 Hixson-Lled Strident Success Center
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515-294-624 .1. [email protected]
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