Question

why do we keep ether and acetone at cool place s.

Answer 1

Because, they are very volatile. They can easily evaporate at room temperatures. They take up the heat from the atmosphere and the molecules of acetone use this heat up to evaporate. So, this is the reason why they are kept at cool places.

Answer 2

Answer:

Ether and acetone are kept in cool places. This is because, both "ether and acetone" are "highly volatile". They easily vaporise or evaporate at room temperature. Ether and acetone take up the heat from the atmosphere and thus increases their temperature. This causes them to reach and cross their vaporisation point, which is very very low for both ether and acetone, as they are highly volatile, and they evaporate or vaporise. This is why, both ether and acetone are to be kept in cool places.