Which of the following solutions has the minimum freezing point:

1 molal

N a C l

solution

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1 molal

K C l

solution

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1 molal

C a {C l}_{2}

solution

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1 molal urea solution

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Solution

The correct option is B 1 molal $C a {C l}_{2}$ solution
As we know, more are ions, more will be $Δ T_{f}$ and more is $Δ T_{f}$ ,lesser is freezing point.
So, 1 molal $C a {C l}_{2}$ solution will shows minimum freezing point.

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Which of the following solutions has the minimum freezing point:

The correct option is B 1 molal CaCl2 solutionAs we know, more are ions, more will be ΔTf and more is ΔTf,lesser is freezing point.So, 1 molal CaCl2 solution will shows minimum freezing point.

The correct option is B 1 molal $C a {C l}_{2}$ solution
As we know, more are ions, more will be $Δ T_{f}$ and more is $Δ T_{f}$ ,lesser is freezing point.
So, 1 molal $C a {C l}_{2}$ solution will shows minimum freezing point.