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2018 1 question

1. Q672018 · 8 Apr 2018 · Shift 1

   For 1 molal aqueous solution of the following compounds, which one will show the highest freezing point?

   1. A.$[\text{Co}({\text{H}}_2\text{O}{)}_3{\text{Cl}}_3].3{\text{H}}_2\text{O}$
   2. B.$[\text{Co}({\text{H}}_2\text{O}{)}_6]{\text{Cl}}_3$
   3. C.$[\text{Co}({\text{H}}_2\text{O}{)}_5\text{Cl}]{\text{Cl}}_2.{\text{H}}_2\text{O}$
   4. D.$[\text{Co}({\text{H}}_2\text{O}{)}_4{\text{Cl}}_2]\text{Cl}.2{\text{H}}_2\text{O}$
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   Answer: A