A) glycol
B) glycerol
C) propanol
D) pentanol
Correct Answer: B
Solution :
Glycerol is obtained by the hydrolysis (either by alkali or by steam) of fats and oils. \[\underset{\text{Fat}}{\mathop{\underset{C{{H}_{2}}OOC{{C}_{17}}{{H}_{35}}}{\overset{C{{H}_{2}}OOC{{C}_{17}}{{H}_{35}}}{\mathop{\,\underset{|}{\overset{|}{\mathop{CHOOC{{C}_{17}}{{H}_{35}}+3NaOH}}}\,}}}\,}}\,\] \[\xrightarrow{{}}\underset{\text{Glycerol}}{\mathop{\underset{C{{H}_{2}}OH}{\overset{C{{H}_{2}}OH}{\mathop{\underset{|}{\overset{|}{\mathop{CHOH}}}\,}}}\,}}\,+\underset{\text{Soap}}{\mathop{3{{C}_{17}}{{H}_{35}}COONa}}\,\]
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