Consider the physical state and characteristic odours of pure aliphatic carboxylic acids at room tem — Aldehydes Ketones and Carboxylic Acids Chemistry Question

💡 Solution & Explanation

The lower members (up to $C_3$) are pungent, colourless liquids. The mid-chain members ($C_4$ - $C_9$) are known for their foul, rotten butter odours (e.g., Butyric acid). Higher members lack sufficient volatility to stimulate olfactory receptors and thus exist as odourless waxy solids.