question_answer 58)

  Dehydration of hydration of halides of calcium, barium and strontium i.e.,\[CaC{{l}_{2}}\cdot 6{{H}_{2}}O,BaC{{l}_{2}},2{{H}_{2}}O,SrC{{l}_{2}}\cdot 2{{H}_{2}}O\]can be achieved by heating. These become wet on keeping in air. Which of the following statements is correct about these halides? (a) Act as dehydrating agent (b) Can absorb moisture from air (c) Tendency to form hydrate decreases from calcium to barium (d) All of the above

Answer:

  (d) All the three properties are true for the halides of calcium, strontium and barium.