Question:
Dehydration of hydrates of halides of calcium, barium and strontium i.e.,
CaCl26H2O, BaCl2.2H2O, SrCl2.2H2O, can be achieved by heating. These
become wet on keeping in air. Which of the following statements is correct
about these halides?
(i) act as dehydrating agent
(ii) can absorb moisture from the air
(iii) The tendency to form hydrate decreases from calcium to barium
(iv) All of the above
Solution:
Option (iv) All of the above is the answer.
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