• # question_answer 63)   Identify the correct formula of halides of alkaline earth metals from the following : (a) $BaC{{l}_{2}}\cdot 2{{H}_{2}}O$       (b) $BaC{{l}_{2}}\cdot 4{{H}_{2}}O$      (c) $CaC{{l}_{2}}\cdot 6{{H}_{2}}O$     (d) $SrC{{l}_{2}}\cdot 4{{H}_{2}}O$

(a, c) $BaC{{l}_{2}}\cdot 2{{H}_{2}}O$ and $CaC{{l}_{2}}\cdot 6{{H}_{2}}O$ are the correct formulae.

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