Molecular Geometry And Hybridization Quiz #2

10 Questions | Total Attempts: 151

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Molecular Geometry And Hybridization Quiz #2

Questions and Answers
  • 1. 
    In order to produce sp hybrid orbitals, __________ s atomic orbitals(s) and ___________ p atomic orbital(s) must be mixed.
    • A. 

      One, two

    • B. 

      One, three

    • C. 

      One, one

    • D. 

      Two, two

    • E. 

      Two, three

  • 2. 
    The angles between sp orbitals are __________.
    • A. 

      45

    • B. 

      180

    • C. 

      90

    • D. 

      109.5

    • E. 

      120

  • 3. 
    There are ____________ sigma bonds and ___________ pi bonds in the H--CC--H molecule.
    • A. 

      Three, two

    • B. 

      Three, four

    • C. 

      Four, three

    • D. 

      Two, three

    • E. 

      Five, zero

  • 4. 
    The total number of pi bonds in the H--CC--CC--CN molecule is _______.
    • A. 

      3

    • B. 

      4

    • C. 

      6

    • D. 

      9

    • E. 

      12

  • 5. 
    The O--C--O bond angle in the CO ion is approximately ___________.
    • A. 

      90

    • B. 

      109.5

    • C. 

      120

    • D. 

      180

    • E. 

      60

  • 6. 
    The central iodine atom in the ICl ion has _________ nonbonded electron pairs and ___________ bonded electron pairs in its valence shell.
    • A. 

      Two, two

    • B. 

      Three, four

    • C. 

      One, three

    • D. 

      Three, two

    • E. 

      Two, four

  • 7. 
    The central Xe atom in the XeF molecule has ________ unbonded electron pairs and __________ bonded electron pairs in its valence shell.
    • A. 

      One, four

    • B. 

      Two, four

    • C. 

      Four, zero

    • D. 

      Four, one

    • E. 

      Four, two

  • 8. 
    An electron domain consists of ____________.                             a) a nonbonding pair of electrons                             b) a single bond                             c) a multiple bond
    • A. 

      A only

    • B. 

      B only

    • C. 

      C only

    • D. 

      A, b, and c

    • E. 

      B and c

  • 9. 
    According to VSEPR theory, if there are three electron domains on a central atom, they will be arranged such that the angles between the domains are _____________.
    • A. 

      90

    • B. 

      180

    • C. 

      109.5

    • D. 

      360

    • E. 

      120

  • 10. 
    The electron-domain geometry and the molecular geometry of a molecule of the general formula AB are _________.
    • A. 

      Never the same

    • B. 

      Always the same

    • C. 

      Sometimes the same

    • D. 

      Not related

    • E. 

      Mirror images of one another