Multiple Choice
Which branch of chemistry is primarily concerned with the study of carbon compounds?
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3. Chemical Reactions
Functional Groups in Chemistry
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Which of the following compounds always contains an amino functional group?
A
Ethene
B
Methanol
C
Glycine
D
Acetic acid
Verified step by step guidance1
Understand what an amino functional group is: it consists of a nitrogen atom bonded to one or more hydrogen atoms, typically represented as \(\mathrm{-NH_2}\).
Examine each compound to identify if it contains the amino group:
Ethene (\(\mathrm{C_2H_4}\)) is an alkene with a carbon-carbon double bond and contains only carbon and hydrogen atoms, so it does not have an amino group.
Methanol (\(\mathrm{CH_3OH}\)) contains a hydroxyl group (\(\mathrm{-OH}\)) but no nitrogen, so it does not have an amino group.
Glycine is an amino acid that contains both an amino group (\(\mathrm{-NH_2}\)) and a carboxyl group (\(\mathrm{-COOH}\)), so it always contains an amino functional group.
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