Discussion
An oil requiring 5.6 mg of KOH per gram to saponify it has a saponification value of
Answer: B
Correct answer: 5.6
The saponification value is defined as milligrams of potassium hydroxide per gram of oil, so the measured figure is the value itself: 5.6. Such a low number indicates an essentially mineral oil with a small ester addition; a vegetable oil would give something near 190.
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