Question

The sodium salts of higher fatty acids are called

• A. Rubber
• B. Plastic
• C. Soap
• D. Detergent

Hint:

Soaps work well in soft water, but not in hard water due to scum formation.

Answer 1

The Correct Option is C

Step 1: Reaction.
Saponification of fats and oils with NaOH gives sodium salts of fatty acids.
Step 2: Identification.
These sodium salts are soaps.
Step 3: Conclusion.
Therefore, the answer is soap.