MCQ
Which has the minimum freezing point
- AOne molal $NaCl$ solution
- BOne molal $KCl$ solution
- ✓One molal $CaC{l_2}$ solution
- DOne molal urea solution
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$(I)$ $XeF_6 +NaF \to Na^+ [XeF_7]^-$ $(II)$ $2PCl_5(s) \to [PCl_4]^+[PCl_6]^-$
$(III)$ $[Al(H_2O)_6]^{3+} + H_2O \to [Al(H_2O)_5OH]^{2+} + H_3O^+$
Possible transformations are:

