1. CARBOXYLIC ACIDS

2. Aromatic Aliphatic Benzoic acid Formic acid HCOOH Acetic acid CH3COOH Salicylic acid Tartaric acid Phthalic acid Citric acid

3. Colourless Liquid, mobily, true Pungent odor Liquid, mobily, true Colourless Vinegar odor Yellowish white Solid, crystalline or powder Characteristic odor

4. Change in appearance Inflammability Change in color flame Volatilization Inflammable, non luminous, non smoky Swelling up & blackening No change Inflammable, non luminous, non smoky Melting & blackening or charring Inflammable, luminous, smoky Melting

5. Change in odor Residue No change No residue Black residue Burnt-sugar odor Yellow stain Suffocating odor No residue Phenolic odor

6. Miscible in H2O Soluble in H2O Effervescence In soluble in H2O & dil. HcL but soluble in 10% NaOH All the compounds are Strong acid

7. Not done (only for solid) No reaction Burnt – sugar odor No reaction Benzene odor No reaction Phenolic odor

8. No reaction No reaction with all No reaction Burnt – sugar odor No reaction Benzene odor Phenolic odor No reaction

9. Effervescence due to CO2 evolution Not done Effervescence + heavy charring No reaction Effervescence + yellow color No reaction No reaction

10. Blood red color – reddish brown color Lemon yellow color Buff ppt No need to use NH4OH with acid JUST Acid + H2O + N. FeCl3Violet color