Lecture 47 Cyclic Hydrocarbons and Functional Groups.notebook
3
July 25, 2012
Oct 128:18 PM
1The aldehyde functional group is
A C O H
B C = O
C NH2
D COOH
E CH3
Oct 128:20 PM
2Which of the following organic compounds need not contain oxygen?
A an alkyne
B an alcohol
C an aldehyde
D a ketone
E an ether
Oct 128:22 PM
3Of the following molecules which is (are) expected to be planar?
A CH4
B CH2 = CH2
C C6H6 (benzene)
D C6H12 (cyclohexane)
E B and C
Lecture 47 Cyclic Hydrocarbons and Functional Groups.notebook
4
July 25, 2012
Oct 128:24 PM
4The bonding in the benzene molecule, C6H6, in any of its resonance structures, contains
A 6 sigma bonds and 6 pi bonds
B 6 sigma bonds and 12 pi bonds
C 12 sigma bonds and 6 pi bonds
D only sigma bonds
E 12 sigma bonds and 3 pi bonds