CM1121 Tutorial 1 (Chapters 2 & 4) 1. Draw and name a structure corresponding to each of these descriptions. (a) An aromatic compound containing one benzene ring with the following substituents: two chlorine atoms having a para relationship, a nitro group having an ortho relationship to one of the chlorine atoms, and an acetyl group having a meta relationship to the nitro group. (b) An alkyne having a trifluoromethyl substituent at one end and a chain of three carbon atoms at the other with a hydroxyl group on the first atom, an amino group on the second, and the third being a carboxyl group. (c) C 3 H 3 N which contains a carbon-carbon double bond and a carbon-nitrogen triple bond 2. What kind of hybridization do you expect for each carbon atom in the following molecules? 3. Allene, H 2 C=C=CH 2 , is somewhat unusual in that it has two adjacent double bonds. Draw a picture showing the orbitals involved in the and bonds of allene. Is the central carbon
1.Draw and name a structure corresponding to each of these
descriptions.(a)An aromatic compound containing one benzene ring
with the following substituents: two chlorine atoms having a para
relationship, a nitro group having an ortho relationship to one of
the chlorine atoms, and an acetyl group having a meta relationship
to the nitro group.(b)An alkyne having a trifluoromethyl
substituent at one end and a chain of three carbon atoms at the
other with a hydroxyl group on the first atom, an amino group on
the second, and the third being a carboxyl group.(c)C3H3N which
contains a carbon-carbon double bond and a carbon-nitrogen triple
bond
2.What kind of hybridization do you expect for each carbon atom
in the following molecules?
3.Allene, H2C=C=CH2, is somewhat unusual in that it has two
adjacent double bonds. Draw a picture showing the orbitals involved
in the and bonds of allene. Is the central carbon atom sp2- or sp-
hybridized? What about the hybridization of the terminal carbons?
What shape do you predict for allene?
Allene is related structurally to carbon dioxide, CO2. Draw a
pciture showing the orbitals involved in the and bonds of CO2 and
identify the likely hybridization fo carbon.
