If a glass rod is dipped in mercury and withd | vedclass

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Question

(B) Cohesive force is the intermolecular attraction between like molecules,whereas adhesive force is the intermolecular force between unlike molecules

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Cohesion force is more

Vedclass · Answer

(B) Cohesive force is the intermolecular attraction between like molecules,whereas adhesive force is the intermolecular force between unlike molecules.In the given case,the cohesive force between mercury molecules is significantly greater than the adhesive force between mercury molecules and the glass rod.Because the cohesive force dominates,the mercury molecules prefer to stay together rather than adhere to the glass surface,which is why the mercury does not wet the rod.

If a glass rod is dipped in mercury and withdrawn out,the mercury does not wet the rod because

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