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Question
A student is studying the properties of acetic acid in his school laboratory. List two physical and two chemical properties which he must observe and note in his record book.
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Solution
Physical properties of acetic acid
- It is colourless liquid at room temperature with unpleasant odour.
- It is miscible in water due to the formation of hydrogen bonds with water.
Chemical properties of acetic acid
- It reacts with absolute ethanol in the presence of an acid catalyst to give an ester, a sweet-smelling substances.
- It reacts with carbonates and hydrogencarbonates to give rise to a salt, carbon dioxide and water.
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