Q

The melting point of pure ethanoic acid (glacial acetic acid), which causes it to often freeze in cold climates, is approximately:

RRB ALP 2024
✓ Answer: D 290 K
The melting point of pure ethanoic acid is 290 K, which is close to room temperature, so it often freezes during winter in cold climates, giving it the name 'glacial acetic acid'.