Q.

Normal molar mass and observed molar mass of a solute dissolved in a solvent are 60g and 80g respectively.  True statement about  degree of association of the solute in the solution is

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Detailed Solution

i = Normal  molar  massObserved  molar  mass; i=6080=0.75i = 1−α+αnn=2 for dimerizationi = 1−α2α2 = 1−0.75α = 0.5Hint ; Since  Mobs>MNor, solute molecules get associated.
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