Question

Pure ethanoic acid is also called glacial acetic acid. Why​

Answer 1

Answer:

it is called so because it forms ice like mass on freezing at -17 degree Celsius

Answer 2

Answer:

Acetic acid that contains a very low amount of water (less than 1%) is called anhydrous (water-free) acetic acid or glacial acetic acid. The reason it's called glacial is because it solidifies into solid acetic acid crystals just cooler than room temperature at 16.7 °C, which ice.