Organic Chemistry

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Author:
sberninghaus3
ID:
16002
Filename:
Organic Chemistry
Updated:
2010-04-24 20:14:35
Tags:
Organic Chemistry
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Description:
Organic Chemistry
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  1. True or False.

    Potassium, with a nuclear charge of +19 is less elctronegative than nitrogen, with a nuclear charge of +7
    True.
  2. True or False.

    Covalent bonding is the result of molecules sharing electrons?
    True
  3. True or False.

    The formal charge on the sulfur of sulfate dianion (SO4 3-) is +1.
    False
  4. True or False.

    In writing resonance structures both electrons and nuclei are permitted to be moved.
    False
  5. True or False.

    An atomic orbital is a region of space where the probability of finding an electron is high.
    True
  6. True or False.

    For a given molecule, an anti-bonding molecular orbital is higher energy than a bonding molecular orbital.
    True or False
  7. True or False.

    When atomic orbitals combine to form molecular orbitals, the number of molecular orbitals that results always equals the number of atomic orbitals that combine.
    True
  8. True or False.

    The rotational energy barrier associated with a carbon--carbon single bond is usually very large.
    False.
  9. True or False.

    A carbon-carbon triple bond is longer than a carbon-carbon single bond.
    False.
  10. True or False.

    For the ammonia molecule, the non-bonding molecular orbital is higher energy than the bonding molecular orbitals.
    True.
  11. True or False.

    o-chlorotuluene is an equilibrium mixture of two constitutional isomers.
    False
  12. True or False.

    Electronegativity is a measure of the ability of an element to attract shared electrons in a covalent bond.
    True
  13. True or False.

    A dipole moment is a vector; it has both magnitude and direction.
    True
  14. True or False.

    1,1-dichloroethene has a zero dipole moment.
    False.
  15. True or False.

    The carbon bearing the hydroxyle group in isopropyl alcohol is a teriary carbon.
    False.
  16. True or False.

    A hydrogen bond is formed by hydrogen acting a bridge between two highly electronegative elements.
    True
  17. True or False.

    Polarizability is a measure of ease of response of electrons in a molecule to change in electric field.
    True
  18. True or False.

    the ammonia molecule has a tetrahedral shape
    False
  19. True or False.

    Acetic acid is lower biolding point that ethyl alcohol.
    False.

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