Chem101 Molecular Models Worksheet By Dr. Cheng-Yu Lai With Answer Key Page 14
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182014Spring CHEM101 Ch9-10 Review Worksheet
Modified by Dr. Cheng-Yu Lai,
B) II < III < I
C) I < II < III
D) II < I < III
E) I < III < II
Answer: E
57) Place the following in order of decreasing dipole moment.
I. cis-CHCl=CHCl
II. trans-CHCl=CHCI
III. cis-CHF=CHF
A) III > I > II
B) II > I > III
C) I > III > II
D) II > III > I
E) I = III > II
Answer: A
58) Give the electron geometry (eg), molecular geometry (mg), and hybridization for NH 3 .
A) eg=tetrahedral, mg=trigonal planar, sp 2
B) eg=trigonal pyramidal, mg=trigonal pyramidal, sp 3
C) eg=tetrahedral, mg=trigonal pyramidal, sp 3
D) eg=trigonal pyramidal, mg=tetrahedral, sp 3
E) eg=trigonal planar, mg=trigonal planar, sp 2
Answer: C
59) Give the electron geometry (eg), molecular geometry (mg), and hybridization for H 2 O.
A) eg=tetrahedral, mg=bent, sp 3
B) eg=trigonal pyramidal, mg=trigonal pyramidal, sp 3
C) eg=tetrahedral, mg=trigonal pyramidal, sp 3
D) eg=bent, mg=bent, sp 2
E) eg=trigonal planar, mg=trigonal planar, sp 2
Answer: A
60) Give the electron geometry (eg), molecular geometry (mg), and hybridization for XeF 4 .
A) eg=tetrahedral, mg=tetrahedral, sp 3
B) eg=trigonal pyramidal, mg=trigonal pyramidal, sp 3
C) eg=octahedral, mg=square planar, sp 3 d 2
D) eg=octahedral, mg=octahedral, sp 3 d 2
E) eg=trigonal bipyramidal, mg=seesaw, sp 3 d
Answer: C
61) Give the hybridization for the O in OF 2 .
A) sp
B) sp 3
C) sp 2
D) sp 3 d
E) sp 3 d 2
Answer: B
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