In which of the following pairs of solutions will the values of the Van't Hoff factor be the same?

0.05 M K_{4} [F e (C N)_{6}]

and

0.10 M F e S O_{4}

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0.10 M K_{4} [F e (C N)_{6}]

and

0.05 M F e S O_{4} (N H_{4})_{2} S O_{4} .6 H_{2} O

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0.20 M N a C l

and

0.10 M B a C l_{2}

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0.05 M F e S O_{4} (N H_{4})_{2} S O_{4} .6 H_{2} O

and

0.02 M K C l . M g C l_{2} . 6 H_{2} O

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Solution

The correct options are
B $0.10 M K_{4} [F e (C N)_{6}]$ and $0.05 M F e S O_{4} (N H_{4})_{2} S O_{4} .6 H_{2} O$
D $0.05 M F e S O_{4} (N H_{4})_{2} S O_{4} .6 H_{2} O$ and $0.02 M K C l . M g C l_{2} . 6 H_{2} O$
The ionization of one molecule of $K_{4} [F e (C N)_{6}]$ gives five ions.
The ionization of one molecule of $F e S O_{4} (N H_{4})_{2} S O_{4} .6 H_{2} O$ =5 gives five ions.
Hence, $0.10 M K_{4} [F e (C N)_{6}]$ and $0.05 M F e S O_{4} (N H_{4})_{2} S O_{4} .6 H_{2} O$ solutions will have same values of van't Hoff factor.
The ionization of one molecule of $F e S O_{4} (N H_{4})_{2} S O_{4} .6 H_{2} O$ =5 gives five ions.
The ionization of one molecule of $K C l . M g C l_{2} .8 H_{2} O = 5$ gives five ions.
Hence, $0.05 M F e S O_{4} (N H_{4})_{2} S O_{4} .6 H_{2} O$ and $0.02 M K C l . M g C l_{2} . 6 H_{2} O$ solutions will have same values of van't Hoff factor.

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Similar questions

K_{4} [F e {(C N)}_{6}]

Which of the following will have same value of van't Hoff factor as that of K₄[(Fe(CN)₆]?

Which of the following salt has the same value of van't Hoff factor i as that of $K_{4} [F e (C N)_{6}]$

K_{3} [F e (C N)_{6}]

K_{3} [F e (C N)_{6}]

B a_{3} (P O_{4})_{2}

100 %

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