Which of the following should have the highest surface tension at a given temperature?

Which of the following should have the highest surface tension at a given temperature?

Which of the following should have the highest surface tension at a given temperature?

Answer

Ans :- Option (D) i.e.
CH₃CH₂COOH is the correct
answer.

Explanation :-

Molecule which is polar and gives
maximum number of ions in solution will have
highest surface tension, because molecules or ions
can then have the maximum amount of force among them. We know
surface

tension = Force / Net circumference, therefore, maximum force
leads to maximum surface tension. Since
CH₃CH₂COOH is polar and
gives maximum ions in the solution, so it will have highest surface
tension.

Hence Option (D) is the correct answer.