Review Questions
Answer the following questions. You have 20 minutes, and you may not use a calculator.
You may use the periodic table at the back of the book.Bonding 159- VSEPR predicts an SbF 5 molecule will be which
of the following shapes?
(A) tetrahedral
(B) trigonal bipyramidal
(C) square pyramid
(D) trigonal planar
(E) square planar- The shortest bond would be present in which of
the following substances?
(A) I 2
(B) CO
(C) CCl 4
(D) O 22 −
(E) SCl 2- Which of the following does not have one or
more πbonds?
(A) H 2 O
(B) HNO 3
(C) O 2
(D) N 2
(E) NO 2−- Which of the following is polar?
(A) SF 4
(B) XeF 4
(C) CF 4
(D) SbF 5
(E) BF 3- Resonance structures are needed to describe the
bonding in which of the following?
(A) H 2 O
(B) ClF 3
(C) HNO 3
(D) CH 4
(E) NH 3For questions 6 and 7, pick the best choice
from the following:(A) ionic bonds
(B) hybrid orbitals
(C) resonance structures
(D) hydrogen bonding
(E) van der Waals attractions6.An explanation of the equivalent bond lengths of
the nitrite ion is:7.Most organic substances have low melting points.
This may be because, in most cases, the intermol-
ecular forces are:8.Which of the following has more than one unshared
pair of valence electrons on the central atom?(A) BrF 5
(B) NF 3
(C) IF 7
(D) ClF 3
(E) CF 49.What is the expected hybridization of the central
atom in a molecule of TiCl 4? This molecule is
tetrahedral.(A) sp^3 d^2
(B) sp^3 d
(C) sp
(D) sp^2
(E) sp^310.The species in the following set do not include
which of the following geometries?SiCl 4 , BrF 4 −, C 2 H 2 , TeF 6 , NO 3 −(A) square planar
(B) tetrahedral
(C) octahedral
(D) trigonal pyramidal
(E) linear