earloracion15-
clean yellow or bluish flame
Many alkanes and their substituted derivatives burn with a
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smoky flame
most aromatic compounds burn with a
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smoky flame
. Some halogen compounds also burn with a
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Polyhalogenated compounds
can be very difficult to ignite.
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Inorganic and organic salts
s always leave a residue upon burning or may not burn at al
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colorless and blue flame
The higher the oxygen content of a compound, the greater the propensity for the compound to burn with a
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aluminum chloride and choloroform
Aromatic compounds and their derivatives usually give characteristic colors when they come into contact with a mixture of a
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orange to red
Benzene derivatives color if reacted with AlCl3
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Blue
Naphthalene color if reacted with AlCl3
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Purple
Biphenyl color if reacted with AlCl3
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Green
Anthracene color if reacted with AlCl3
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Alkylation and hydride transfer reactions
Stable, highly colored carbocation salts form on the aluminum chloride surface through
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yellow-oily solution
results of benzene in nitration
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red-brown precipitate
results of benzene in Le rosen
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red
benzene reaction to AlCl3
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orange
toluene reaction to AlCl3
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orange
chlorobenzene reaction to AlCl3
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no reaction
hexane reaction to AlCl3
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it is used as a catalyst to enable electrophilic nitronium ion
use of sulfuric acid in Nitration
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the Le rosen agent will detect an aromatic compound and will give off a an intense color such as red-brown color
indication of Le rosen test
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used as a lewis acid catalyst which enables the alkyl halide to be added to the aromatic ring
AlCl3 use
