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Functional Group Testing

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Total cards: 9•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (9)

#1
Front (Question)

Alkene

Back (Answer)

Reagent: Br2(aq) Observation: orange to colourless

#2
Front (Question)

Primary alcohol, secondary alcohol, aldehyde

Back (Answer)

Reagent: acidified potassium dichromate Observation: orange to green

#3
Front (Question)

Aldehyde

Back (Answer)

Reagent: Tollen’s Observation: silver mirror

#4
Front (Question)

Aldehyde and ketone

Back (Answer)

Reagent: 2,4-DNP Observation: orange precipitate

#5
Front (Question)

Carboxylic acid

Back (Answer)

Reagent: sodium chloride Observation: fizzing

#6
Front (Question)

Haloalkane (group 7)

Back (Answer)

Reagents: ethanol and silver nitrate Observation: white (Cl) cream (Br) or yellow (I) precipitate

#7
Front (Question)

Phenol

Back (Answer)

Reagents: test ph with indicator paper- if an acid, add sodium carbonate Observations: UI goes orange but NO fizzing takes place

#8
Front (Question)

Card front image
Back (Answer)

-add 2,4-DNP, orange precipitate forms -take melting point of solid -compare with know values

#9
Front (Question)

what is a carbonyl?

Back (Answer)

aldehyde or Ketone