Identify the correct formula of halides
Question:
Identify the correct formula of halides of alkaline earth metals from the following.
(i) BaCl2.2H2O
(ii) BaCl2.4H2O
(iii) CaCl2.6H2O
(iv) SrCl2.4H2O
Solution:
Option (i) BaCl2.2H2O and (iii) CaCl2.6H2O are the answers.