Which acid freezes in cold weather?
GeneralClass 12AllAnswered 27 Mar 2026
Answer
Acetic acid freezes in cold weather, particularly in its concentrated glacial form. Pure acetic acid has a relatively high freezing point of 16.6°C (approximately 62°F), which means it can solidify during cool weather conditions. This unusual characteristic among acids is why concentrated acetic acid earned the name "glacial acetic acid" – it literally turns into ice-like crystals at temperatures that are still well above water's freezing point.
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