Question

Halides of alkaline earth metals form hydrate such as MgCl₂.6H₂O, CaCl₂.6H₂O, BaCl₂.2H₂O and SrCl₂.2H₂O. This shows that halides of group 2 elements:

Options

• are hygroscopic in nature

• can act as dehydrating agents

• can absorb moisture from the air

• all of the above

Answer 1

all of the above

Explanation:

The group's proclivity to form hydrates decreases. All of the options take into account the fact that chlorides do form hydrates.