Q.
The van’t Hoff factor(i) for a compound which undergoes dissociation in one solvent and association in other solvent is respectively
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a
Lesser than one and greater than one
b
Lesser than one in both cases
c
Greater than one and lesser than one
d
Greater than one in both cases
answer is C.
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Detailed Solution
From the value of van’t Hoff factor , it is possible to determine the degree of dissociation or association. In case of dissociation, i is greater than 1 ; i=1-α+nα In case of association i is lesser than 1; 1-α+αn
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