Assignment:
Q1. Which of the following is an incorrect description of benzene?
a. The CCC bond angles are all equal to 120o
b. The 6-membered ring contains alternating double and single carbon-carbon bonds
c. The molecule may be drawn as resonance hybrid of 2 Kekule structures
d. The molecule is planar
Q2. Which of the following criteria is not used to determine if a molecule is aromatic?
a. Structure is cyclic
b.Each carbon atom in the ring has sp3 hybridization
c.Structure is planar or nearly so
d.The pi network contains 4N +2 electrons
Q3. Which of the following numbers of pi electrons would not lead to aromaticity?
a. 2
b. 6
c. 8
d. 10
Q4. The compound cyclobutadiene would be best catagorized as
a. anti-aromatic
b. non-aromatic
c. aromatic
d. none of the above
Q5. Which of the following is also an acceptable name for 3-nitrophenol?
a. o-nitrophenol
b. m-nitrophenol
c. p-nitrophenol
d. none of the above