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. \[\begin{align} & \underset{\begin{smallmatrix} | \\ \underset{Fat}{\mathop{C{{H}_{2}}OOC{{C}_{17}}{{H}_{35}}}}\, \end{smallmatrix}}{\overset{\begin{smallmatrix} C{{H}_{2}}OOC{{C}_{17}}{{H}_{35}} \\ | \end{smallmatrix}}{\mathop{CHOOC{{C}_{17}}{{H}_{35}}+3NaOH}}}\, \\ & \underset{Soap}{\mathop{\xrightarrow{{}}\underset{\underset{Glycerol}{\mathop{C{{H}_{2}}OH}}\,}{\mathop{\underset{|}{\mathop{\overset{C{{H}_{2}}OH}{\mathop{\overset{|}{\mathop{CHOH}}\,}}\,}}\,}}\,+3{{C}_{17}}{{H}_{35}}COONa}}\, \\ \end{align}\]
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