Reactions of Organic Compounds (LC 2027) (Leaving Cert Chemistry): Flashcards

Hydroxyl group (-OH)

Alcohols are weaker acids than water

Hydrogen gas ($H_2$)

Sodium ethoxide ($C_2H_5O^-Na^+$)

Carboxyl group (-COOH)

Resonance - negative charge spread over 3 atoms

Electron-withdrawing groups stabilise carboxylate ion

Sodium ethanoate + water

Carbon dioxide ($CO_2$)

Turns limewater milky

Hydrogen gas ($H_2$)

'Pop' sound with lighted taper

Carboxylic acids are much stronger acids