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Organic Chemistry Questions?

Published by: rose 2009-01-07

In the UV-visible spectra of the following compounds, in which does lambda max appear at the highest wavelength?


isopropylbenzene
3-phenylpropene
benzene
n-octylbenzene
1-phenylpropene



Which of the following is also an acceptable name for 3-nitrophenol?

o-nitrophenol

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hydroquinone
m-nitrophenol
p-nitrophenol
3-cresol


Nitrogen's lone pair electrons occupy what type of orbital in pyridine?

sp3
sp
s
p
sp2



What is the major difference between an antiaromatic and aromatic compound?

The structure must be cyclic for aromatic but not antiaromatic compounds
Antiaromatic compounds have at least one sp3 hybridized atom in the ring
Antiaromatic compounds can assume a chair-like structure while aromatic compounds are nearly flat
Aromatic compounds cannot have a charged atom in the structure
Only aromatic compounds follow Huckle's (4N+2) rule.



Under what reaction conditions does the electrophilic bromination of aromatic compounds usually occur?

NaBr, CH3OH
Br2, CBr4
NaBr, H2O
Br2, H2O
Br2, FeBr3




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