1.

Identify the correct formula of halides of alkaline earth metals from the following:

Answer»

`BaCl_(2)*2H_(2)O`
`BaCl_(2)*4H_(2)O`
`CaCl_(2)*6H_(2)O`
`SrCl_(2)*4H_(2)O`

SOLUTION :Chlorides of alkaline EARTH metals are HYDRATED and EXTENT of hydration decreases down the group. e.g., `MgCl_(2)*6H_(2)O, CaCl_(2)*6H_(2)O, BaCl_(2)*2H_(2)O, SrCl_(2)*2H_(2)O`


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