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Which of the following salt has the same value of vant's Hofff factor as that of K3[Fe(CN)6]?

(a) Na2SO4

(b) Al(NO3)3

(c) Al2(SO4)3

(d) Fe3O4

1 Answer

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Best answer

Correct option (b) Al(NO3)3

Explanation:

K3[Fe(CN)6] on ionisation gives 4 species (3K+ and 1 [Fe(CN)6]3-) and AI(NO3)3 also gives 4 species (1Al3+ and 3NO-3), thus both will have same value of van't Hoff factor.

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