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

1. [Co(H2O)6]Cl3

2. [Co(H2O)5Cl]Cl2.H2O

3. [Co(H2O)4Cl2]Cl.2H2O

4. [Co(H2O)3Cl3].3H2O

Subtopic:  Depression of Freezing Point |
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Level 2: 60%+
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Which one of the following are in equilibrium during the depression of the freezing point in a solution?
1. Liquid solvent, Solid solvent
2. Liquid solvent, Solid solute
3. Liquid solute, Solid solute
4. Liquid solute, Solid solvent
Subtopic:  Depression of Freezing Point |
Level 3: 35%-60%
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Which of the following aqueous solutions has the minimum freezing point? 
1. 4% solution of \(NaCl\)
2. 10% solution of sugar 
3. 6% solution of Urea 
4. 2% solution of \(MgCl_2\)
Subtopic:  Depression of Freezing Point |
Level 3: 35%-60%
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