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Benzene

Quiz by Aji Budiyanto

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10 questions
Show answers
  • Q1
    The electrons in benzene are ...
    delocalized
    moves in any direction
    compact
    localized
    30s
  • Q2
    Which of the following statements is/are true regarding the structure of a benzene molecule?
    the ring is unsaturated and each carbon atom participates in one double bond
    Benzene contains a 6-membered ring and three additional degrees of unsaturation
    the ring is saturated and each carbon atom participates in double bond
    Benzene contains a 6-membered ring and three additional degrees of saturation
    30s
  • Q3
    Which of the following statements is/are true regarding the structure of a benzene molecule?
    All carbon-carbon bond lengths are equal in Benzene
    it contains a 6-membered ring and three additional degrees of saturation
    All of the above
    Benzene is planar
    30s
  • Q4
    Electrons that are not confined to the bond between two atoms, but are allowed to move between three or more atoms, are called _____.
    mobile electrons
    localized electrons
    free electrons
    delocalized electrons
    30s
  • Q5
    If, on ring closure, there is a decrease in the pi electron energy of an open chain polyene, the molecule is classified as _____.
    aromatic
    saturated
    aliphatic
    cyclic
    30s
  • Q6
    Which is the best description for the bonding in benzene?
    there are 6 double bonds
    the electrons in the pi bonds are free to move around the entire ring.
    there are 12 hydrogens in the structure
    it consists of saturated covalent
    30s
  • Q7
    The hybridization of the carbon atoms in a benzene molecule is _____, making it a _____ molecule.
    sp2; planar
    sp;planar
    sp2;tetrahedral
    sp;tetrahedral
    30s
  • Q8
    Which statement correctly describes benzene and cyclohexene?
    Benzene is less stable and less reactive than cyclohexene.
    Benzene is more stable and less reactive than cyclohexene.
    Benzene is less stable and more reactive than cyclohexene.
    Benzene is more stable and more reactive than cyclohexene.
    30s
  • Q9
    The actual structure of benzene was discovered by _____.
    Friedrich Kekule
    Michael Faraday
    Eilhardt Mitscherlich
    Joseph Loschmidt
    30s
  • Q10
    A characteristic of ____ compounds is the electrons in the ring are delocalized.
    aliphatic
    giant covalent
    aromatic
    cyclic
    30s

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