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Depression in Freezing Point

The vapour pr...

Question

The vapour pressure will be lowest for

0.1 M

sugar solution

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0.1 M K C l

solution

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0.1 M C u (N O_{3})_{2}

sollution

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0.1 A g N O_{3}

solution

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Solution

The correct option is C $0.1 M C u (N O_{3})_{2}$ sollution
relative lowring of vapour pressure is a colligative property and depends on the number of solute particles present in the solution.

and as relative lowring of vapour pressure is directly proportional vant hoff factor $0.1 M C u (N O_{3})_{2}$ solution has highest $i$ value ultimately, Vapour pressure lowered greatest. thus, has lowest vapour pressure.

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