Chemical Tests for Functional Groups (HSC SSCE Chemistry): Flashcards

Characteristic atom arrangement with distinctive properties

$\text{C}=\text{C}$ (carbon-carbon double bond)

$-\text{OH}$ (hydroxyl group)

$-\text{COOH}$ (carboxyl group)

Colourless $\text{CO}_2$ bubbles form

Brown colour disappears (decolourised)

Colourless $\text{H}_2$ bubbles form

Ester with fruity/sweet smell produced

No reaction, no decolourisation

Pink colour disappears (decolourised)