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Bonding Multiple Choice Review Questions for AP Chemistry

based on 5 ratings
By — McGraw-Hill Professional
Updated on Feb 9, 2011

Review the following concepts if necessary:

Problems

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.

  1. VSEPR predicts an SbF5 molecule will be which of the following shapes?
    1. tetrahedral
    2. trigonal bipyramidal
    3. square pyramid
    4. trigonal planar
    5. square planar
  2. The shortest bond would be present in which of he following substances?
    1. I2
    2. CO
    3. CCl4
    4. O22–
    5. SCl2
  3. Which of the following does not have one or more π bonds?
    1. H2O
    2. HNO3
    3. O2
    4. N2
    5. NO2
  4. Which of the following is polar?
    1. SF4
    2. XeF4
    3. CF4
    4. SbF5
    5. BF3
  5. Resonance structures are needed to describe the bonding in which of the following?
    1. H2O
    2. ClF3
    3. HNO3
    4. CH4
    5. NH3
  6. For questions 6 and 7, pick the best choice from the following:

    1. ionic bonds
    2. hybrid orbitals
    3. resonance structures
    4. hydrogen bonding
    5. van der Waals attractions
  7. An explanation of the equivalent bond lengths of the nitrite ion is:
  8. Most organic substances have low melting points. This may be because, in most cases, the intermolecular forces are:
  9. Which of the following has more than one unshared pair of valence electrons on the central atom?
    1. BrF5
    2. NF3
    3. IF7
    4. ClF3
    5. CF4
  10. What is the expected hybridization of the central atom in a molecule of TiCl4? This molecule is tetrahedral.
    1. sp3d2
    2. sp3d
    3. sp
    4. sp2
    5. sp3
  11. The species in the following set do not include which of the following geometries?
  12. SiCl4, BrF4, C2H2, TeF6, NO3

    1. square planar
    2. tetrahedral
    3. octahedral
    4. trigonal pyramidal
    5. linear
  13. The only substance listed below that contains ionic, σ, and π bonds is:
    1. Na2CO3
    2. HClO2
    3. H2O
    4. CO2
    5. NaCl
  14. For problems, 12–14 choose a molecule from the following list:

    1. C2
    2. F2
    3. B2
    4. O2
    5. Ne2
  15. The paramagnetic molecule with a bond order of two.
  16. The diamagnetic molecule with no antibonding electrons.
  17. The paramagnetic molecule with antibonding electrons.
  18. The electron pairs point toward the corners of which geometrical shape for a molecule with sp2 hybrid orbitals?
    1. trigonal planar
    2. octahedron
    3. trigonal bipyramid
    4. trigonal pyramid
    5. tetrahedron
  19. Regular tetrahedral molecules or ions include which of the following?
    1. CH4
    2. SF4
    3. NH4+
    1. I, II, and III
    2. I and III only
    3. I only
    4. I and II only
    5. II only
  20. Which molecule or ion in the following list has the greatest number of unshared electrons around the central atom?
    1. CF4
    2. ClF3
    3. BF3
    4. NH4+
    5. IF5
  21. Which of the following molecules is the least polar?
    1. PH3
    2. CH4
    3. H2O
    4. NO2
    5. HCl
  22. What types of hybridization of carbon are in the compound 1,4-butadiene, CH2CHCHCH2?
    1. sp3
    2. sp2
    3. sp
    1. I and II
    2. I, II, and III
    3. I and III
    4. I only
    5. II only
  23. Which of the following molecules is the most polar?
    1. C2H2
    2. N2
    3. CH3I
    4. BF3
    5. NH3
  24. Which of the following processes involves breaking an ionic bond?
    1. H2(g) + Cl2(g) → 2 HCl(g)
    2. I2(g) → 2 I(g)
    3. Na(s) → Na(g)
    4. 2 C2H6(g) + 7 O2(g) → 4 CO2(g) + 6 H2O(g)
    5. 2 KBr(s) → 2 K(g) + Br2(g)
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