Practical organic chemistry Carboxylic acid Carboxylic acid Functional
Practical organic chemistry Carboxylic acid
Carboxylic acid Functional group: - Carboxyl group (-COOH) CARBOXYLIC ACID Aliphatic carboxylic acid R-COOH Aromatic carboxylic acid Ar-COOH
Aliphatic carboxylic acid Mono basic Contain one (COOH) group Di basic Contain two (COOH) groups Tri basic Contain three (COOH) groups Tartaric acid Citric acid Succinic acid
Practical organic chemistry •
State: - liquid Colour: colourless Physical properties Odour: unpleasant Miscibility: miscible with water Effect on litmus paper: acidic
H-COOH Experiment Formic acid Grey ppt or silver mirror Acetic acid -VE ﺑﻌﺪ ﻋﻤﻞ ﺍﻟﻤﺤﻠﻮﻝ ﺍﻟﻤﺘﻌﺎﺩﻝ ﻛﻤﺎ ﺳﺒﻖ ﺷﺮﺣﻪ ﻧﻘﻮﻡ ﺑﺎﻟﺨﻄﻮﺍﺕ ﺍﻟﺘﺎﻟﻴﻪ Heat in water bath 1 ml of neutral solution
H-COOH Experiment Formic acid Acetic acid -VE 1 ml of formic acid
H-COOH Experiment Formic acid Acetic acid Acidity test Red colour terns to brown ppt by heating Ester formation Grey ppt or silver mirror -VE White ppt -VE Fruit odour -VE
- Slides: 14