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The substance ‘X’, when dissolved in solvent water gave molar mass corresponding to the molecular formula ‘X3’. The van’t Hoff factor (i) is - Chemistry

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The substance ‘X’, when dissolved in solvent water gave molar mass corresponding to the molecular formula ‘X3’. The van’t Hoff factor (i) is _______.

(A) 3

(B) 0.33

(C) 1.3

(D) 1

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Solution

(B) 0.33 
van’t Hoff factor (i) = Theoreticalmolecular mass/Observed molecular mass
= 1/3
= 0.33

Concept: Abnormal Molar Masses
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