A) \[Mg\]salts of lower fatty acids
B) \[Na\]salts of lower fatty acids
C) \[Na\]salts of higher fatty acids
D) None of the above
Correct Answer: C
Solution :
\[Na\](sodium) salts of higher fatty acids are known as soap and the process by which soap is prepared is known as saponification. \[\underset{glyceryl\,stearate}{\mathop{\underset{\begin{smallmatrix} | \\ C{{H}_{2}}OCO{{C}_{17}}{{H}_{35}} \end{smallmatrix}}{\overset{\begin{smallmatrix} C{{H}_{2}}OCO{{C}_{17}}{{H}_{32}} \\ | \end{smallmatrix}}{\mathop{CHOCO{{C}_{17}}{{H}_{35}}}}}\,}}\,+\underset{\begin{smallmatrix} \,\,\,sodium \\ hydroxie \end{smallmatrix}}{\mathop{3NAOH}}\,\xrightarrow{{}}\underset{glycerol}{\mathop{\underset{\begin{smallmatrix} | \\ C{{H}_{2}}OH \end{smallmatrix}}{\overset{\begin{smallmatrix} C{{H}_{2}}OH \\ | \end{smallmatrix}}{\mathop{CHOH}}}\,}}\,\] \[+\underset{\begin{smallmatrix} sodium\,stearate \\ \,\,\,\,\,\,\,\,\,(soap) \end{smallmatrix}}{\mathop{3{{C}_{17}}{{H}_{35}}COONa}}\,\]
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