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Functional groups Before you answer the puzzles below fill in the table of functional groups using: R-O-R R-OH acid anhydride

Functional group Name Name

R-CN R-NH2

O O R C - C R O R O O O O C C C R O R R NH2 O O R C R C H OH O C R-X R R

Gridlock 1 Each row, column and 2 x 2 box contains the functional groups ester, carboxylate ion, acid anhydride and aldehyde . Use your problem solving skills and the answers in the table above to fill in the blank boxes.

functional group name

O C R aldehyde R O

O R C ester H

acid anhydride

O R C - O

name functional group

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Gridlock 2 Each row, column and 2 x 2 box contains an amide, amine, ketone and nitrile.

functional group name

O C R NH2

nitrile

O C R R

amine

name functional group Gridlock 3 Each row, column and 2 x 2 box contains an alcohol, carboxylic acid, haloalkane and ether.

functional group name

R-OH ether

alcohol

carboxylic acid R-X

name functional group

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Functional groups – answers

Functional group Name Functional group Name

R-CN nitrile R-NH2 amine

O O R C carboxylate ion ester - C R O R O O O O C C acid anhydride C amide R O R R NH2 O O R C aldehyde R C carboxylic acid H OH O C ketone R-X haloalkane R R

R-OH alcohol R-O-R ether

Gridlock 1 – answers functional group name

O O R C acid anhydride aldehyde C R - R O O

O O O C C R C ester carboxylate ion R O R H

O O carboxylate ion acid anhydride R C C R H R O

O O O aldehyde ester R C - C C O R O R

name functional group

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Gridlock 2 – answers functional group name

O C R-CN amine ketone R NH2

O R-NH2 C nitrile amide R R

O nitrile amide C R-NH2 R R

O ketone amine C R-CN R NH2

name functional group

Gridlock 3 – answers

functional group name

R-X R-OH carboxylic acid ether

O R-O-R R C haloalkane alcohol OH

O alcohol haloalkane R-O-R R C OH

carboxylic acid ether R-OH R-X

name functional group

This resource was downloaded from https://rsc.li/3e3LvXs