The cleansing effect of soap is low in acidic water because of?

A. the formation of unionized fatty acid.
B. increase in the pH of the soap molecules.
C. anti-biodegradable effect of hydrogen ions
D. the hardness of the acidic water.

Correct Answer:

Option A – the formation of unionized fatty acid.

Explanation

Soaps cannot be used in acidic condition because they lose their cleansing effect due to the formation of long chain fatty acids