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1. Which one of the following molecules is polar?
Question 2. A p bond
a. is stronger
than a sigma bond
b. results from
orbital overlap over and under the bond axis
c. is the same
strength as a sigma bond
d. results from
the overlap of orbitals on only one side of the bonded atoms
Question 3. The dipole moment in a molecule with
the formula AX6
a. is always
b. can be nonzero
c. is always
Question 4. The total number of electrons that can
be accommodated in a bonding orbital is:
Question 5. Describe a triple bond in terms of
sigma and pi bonds.
a. two bonds
are sigma, one is pi
b. three bonds
c. three bonds
d. two bonds are
pi, one is sigma
Question 6. A molecule with the formula AX4
is found to be nonpolar. Which of the following shapes could
c. square planar
tetrahedral or square planar
e. any of the
Question 7. What type of hybrid orbitals are used
for phosphorus to describe the bonding in PH3?
Question 8. Square planar geometry is described by
which type of hybrid orbitals on the central atom?
Question 9. Which molecules are paramagnetic?
e. none of them
Question 10. Which molecule has the greatest angle
Question 11. The angle between N-H bonds in NH3
is closer to:
Question 12. How many s
and p bonds, respectively, are in
the following molecule: CH3CH2CHCHCH2CH3?
a. 18, 1
b. 17, 1
c. 19, 0
d. 16, 1
e. 14, 5
Select or to restart the quiz.