Functional Group
Formula
Structural Formula
Chemical Class
Example
Alkyl
RH
Alkane
Alkenyl
R2C=CR2
Alkene
Alkynyl
Alkyne
Phenyl
RC6H5
Benzene Derivative
Halo
RX
R-X
Haloalkane
Fluoro
RF
R-F
Fluoroalkane
Chloro
RCl
R-Cl
Chloroalkane
Bromo
RBr
R-Br
Bromoalkane
Iodo
RI
R-I
Iodoalkane
Hydroxyl
ROH
Alcohol
Ether
ROR
Ether
Amine
R3N
Amine
Carbonyl
RCOR
CKetone
Aldehyde
RCHO
Aldehyde
Haloformyl
RCOX
Acyl Halide
Carboxyl
RCOOH
Carboxylic acid
Ester
RCOOR
Ester
Amide
R1CONR2
Amide
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