Functional Groups

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23 Terms

1
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Methyl

R-CH₃

2
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Ethyl

R-CH₂CH₃

3
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Carbonyl (Aldehyde)

R-CHO

4
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Carbonyl (Ketone)

R₁-CO-R₂

5
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Carboxyl

R-COO⁻

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Hydroxyl (Alcohol)

R-OH

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Enol

R-C(OH)=CH₂

8
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Ether

R₁-O-R₂

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Ester

R₁-COOR₂

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Acetyl

R-COCH₃

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Anhydride (Two Carboxylic Acids)

R-COO-CO-R₂

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Amino (Protonated)

R-NH₃⁺

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Amido

R-CONH₂

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Imine

R₁-C=NR₂

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N-Substituted Imine (Schiff Base)

R₁-C=NR₃

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Guanidinium

R-NH-C(NH₂)₂⁺

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Imidazole

C₃H₃N₂ (Ring with two nitrogen atoms)

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Sulfhydryl

R-SH

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Disulfide

R-S-S-R₂

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Thioester

R₁-COS-R₂

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Phosphoryl

R-O-PO2- -OH

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Phosphoanhydride

R-O-P(O₂⁻)-O-P(O₂⁻)-OR₂

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Mixed Anhydride (Acyl Phosphate)

R-COO-PO₃²⁻