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Water does not wet an oily glass because...

Water does not wet an oily glass because

A

Cohesive force of oil `gt gt` adhesive force between oil and glass

B

Cohesive force of oil `gt` cohesive force of water

C

Oil repels water

D

Cohesive force for water `gt ` adhesive force between water and oil molecules

Text Solution

Verified by Experts

The correct Answer is:
D
When `F_("cohesive") gt F_("adhesive") ` (no mixing)
When `F_("cohesive") lt F_("adhesive") ` (mixing).
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