Question

Due to its great affinity for water $H_{2}S{O}_4$ is used as the dehydrating agent.

• A. True
• B. False

Answer 1

The correct option is A True

Sulphuric acid has a great affinity for water. It readily removes elements of water from other compounds i.e, it acts as a dehydrating agent, it being a hygroscopic substance absorb water from other substances without dissolving in it,so it is considered a good dessicating or drying agent. But only concentrated sulphuric acid is a good dehydrating agent not dilute acid because dilute sulphuric acid itself contains water and will not be able to absorb water from other substances.