Question Bank • QB_FP_144 MCQ • 1 Mark

Section 3: Farm Power

Farm Power

Subtopic: Fuels and combustion

Question Statement:

In the base-catalyzed transesterification process to convert vegetable oil (triglycerides) into biodiesel (fatty acid methyl esters), the primary byproduct formed is:

Options:

  • (A) Glycerol
  • (B) Methanol
  • (C) Ethanol
  • (D) Acetic acid

Answer Key:

A

Step-by-Step Solution & Explanation

During transesterification, 1 mole of triglyceride reacts with 3 moles of alcohol (methanol) in the presence of a catalyst to produce 3 moles of fatty acid methyl ester (biodiesel) and 1 mole of glycerol as byproduct.
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