Halides of alkaline earth metals form hydrates such as MgCl_2 6H_2O, CaCl_2 6H_2O, BaCl_2 2H_2O and SrCl_2 2H_2O. This shows that halides of group 2 elements:

JEE Main Chemistry question

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Halides of alkaline earth metals form hydrates such as , , and . This shows that halides of group 2 elements:

(A)Are hygroscopic in nature
(B)Act as dehydrating agent
(C)Can absorb moisture from air
(D)All of the aboveCorrect

Answer: (D)

Solution

The tendency of these halides to readily form stable crystalline hydrates reflects their strongly hygroscopic nature (A), their consequent ability to absorb atmospheric moisture (C), and (particularly for anhydrous forms like

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Question ID VK-137954