Q29 / 150 · MHT CET 2025 (23 Apr Shift 2) · Chemistry

Find the number of moles of glycerol produced when n mole of triglyceride undergoes saponification.

  • Correct answer
    A
    n
  • B
    2n
  • C
    3n
  • D
    $\frac{3}{2} \mathrm{n}$

Solution

The saponification reaction involves hydrolysis of the ester linkage in triglycerides using a strong base. A triglyceride consists of one glycerol molecule esterified with three fatty acid chains.

$\text{Triglyceride} + 3\text{NaOH} \rightarrow \text{Glycerol} + 3\text{RCOONa}$

From stoichiometry, each mole of triglyceride yields exactly one mole of glycerol. With $n$ moles of triglyceride reacting, the glycerol produced must also be $n$ moles.

Final answer: $\boxed{\text{A}}$

Hence, the correct answer is option: 'A'.

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