FUNCTIONAL GROUPS

Question 1

H3C-CH3

Answer 1

Alkane (hydrocarbon, single bond, saturated)

Question 2

H2C=CH2

Answer 2

Alkene (hydrocarbon, double bound, unsaturated)

Question 3

RC≡CR

Answer 3

Alkyne (hydrocarbon, triple bond, unsaturated)

Question 4

R-C6H6

Answer 4

Arene (hydrocarbon, ring sistem attached to a group/carbon)

Question 5

R-X

Answer 5

Haloalkane (X is halogen)

Question 6

R-CO-X

Answer 6

Acylhalide (oxygen&halogen containing gp, acyl is substituted carbonyl, C=O, attached to halogen)

Question 7

R-CO-OR

Answer 7

Ester (oxygen containing gp, losing water, O-H2) from the combination of alcohol + carboxylic acid)

Question 8

R-O-R’

Answer 8

Ether (tips: either R oR, oxygen containing gp)

Question 9

C-NH3 / C-NH2R / C-NHR2 / C-NR3

Answer 9

Amine / primary amine / secondary amine / tertiary amine (nitrogen containing gp)

Question 10

R2C=NR

Answer 10

Imine (C=N, nitrogen containing gp)

Question 11

R-CO-NR

Answer 11

Amide (carbonyl + amine, nitrgoen containing gp)

Question 12

R-SH

Answer 12

Thiol (sulfur containing gp, alcohol sister but oxygen replaced with S)

Question 13

R-S-R’

Answer 13

Sulfide

Question 14

R-S-S-R’

Answer 14

Disulfide (2 sulfide)

Question 15

R-SO-OH

Answer 15

Sulfinic acid (like carboxylic acid but carbon replaced with S)

Question 16

R-CO-H

Answer 16

Aldehyde (carbonyl + terminal hydrogen)

Question 17

R-CO-R’

Answer 17

Ketone (carbonyl + R gp)

Question 18

R-COOH

Answer 18

Carboxylic acid (oxygen containing gp)