Question

What is the acid value of the groundnut oil?

(a) 0.2-8.0

(b) 0.4-0.8

(c) 10.0-35.2

(d) 0.4-2.2

This question was addressed to me during an internship interview.

I need to ask this question from Saponification Value topic in portion Lubricants of Applied Chemistry

Answer 1

Correct answer is (a) 0.2-8.0

Easiest explanation: The acid value of the groundnut oil is 0.2-8.0. Castor oil has the acid value of 0.4-0.8. Coconut oil is having a high acid value that is about 10.0-35.2.