1. What is the functional group/class of C3H4?

Macroscale and Microscale Organic Experiments
7th Edition
ISBN:9781305577190
Author:Kenneth L. Williamson, Katherine M. Masters
Publisher:Kenneth L. Williamson, Katherine M. Masters
Chapter4: Recrystallization
Section: Chapter Questions
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1. What is the functional group/class of C3H4? You may refer to the General Schematic Diagram for Determining the Functional Group of an Organic Compound on the last page to guide you in determining the functional group of the compound based on the results of the solubility tests and chemical tests.

Molisch Test
(+)(-)
2,4-DNP Test
POLYSACCHARIDE
(-) |(+)
Baeyer's Test
Tollen's Test
(+)
(-) (+)
hot acidic KMNO4 test
КЕTONE
ALDEHYDE
ALKYNE
ALKENE
(+) (-)
Iodoform Test
TERTIARY
ALCOHOL
PRIMARY and
Reaction with
SECONDARY
(+) (-)
Ammoniacal AGNO3
ALCOHOL
(+) (-)
МЕТHYL
NON-METHYL
ΚΕΤONE
КЕTONE
TERMINAL
INTERNAL
ALKYNE
ALKYNE
Transcribed Image Text:Molisch Test (+)(-) 2,4-DNP Test POLYSACCHARIDE (-) |(+) Baeyer's Test Tollen's Test (+) (-) (+) hot acidic KMNO4 test КЕTONE ALDEHYDE ALKYNE ALKENE (+) (-) Iodoform Test TERTIARY ALCOHOL PRIMARY and Reaction with SECONDARY (+) (-) Ammoniacal AGNO3 ALCOHOL (+) (-) МЕТHYL NON-METHYL ΚΕΤONE КЕTONE TERMINAL INTERNAL ALKYNE ALKYNE
Results of the chemical tests for C3H4
CHEMICAL TEST
OBSERVATIONS
+/-
Reaction with Br2/CH2CI2 in the
presence of light
Baeyer's Test/Reaction with cold,
dilute, neutral KMNO4
Ammoniacal AGNO3/Tollen's test
Molisch Test
disappearance of red-orange color
disappearance of purple color and
formation of brown solids
formation of two clear, colorless, layers
turbid, colorless solution
faint pink layer above
a clear, colorless solution
+
2,4-DNP Test
Transcribed Image Text:Results of the chemical tests for C3H4 CHEMICAL TEST OBSERVATIONS +/- Reaction with Br2/CH2CI2 in the presence of light Baeyer's Test/Reaction with cold, dilute, neutral KMNO4 Ammoniacal AGNO3/Tollen's test Molisch Test disappearance of red-orange color disappearance of purple color and formation of brown solids formation of two clear, colorless, layers turbid, colorless solution faint pink layer above a clear, colorless solution + 2,4-DNP Test
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