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Question
Halides of alkaline earth metals form hydrates such as MgCl2.6H2O,CaCl2.6H2O, BaCl2.2H2O and SrCl2.2H2O. This shows that halides of group 2 elements
Options:
A .  Are hygroscopic in nature
B .  Can act as dehydrating agents
C .  Can absorbs moisture from air
D .  All of the above
Answer: Option D
:
D
The tendency to form hydrates decreases in the group. All the options reflect the fact that the chlorides do form hydrates.

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