How does common salt help in separating soap from the
solution after saponification ?
1 By decreasing solubility of soap
2 By increasing solubility of soap
3 By decreasing density of soap
4 By increasing density of soap
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Answer / sa
Soap is nothing but Na+ or k+ salt of fatty acids,and when
saponification occurs then esters of fatty acids and
glycerols are produced. So when NaCl or commom is added
due to common ion effect of Na+, equillibrium is shifted
toward left and esters of fatty acids and glycerols breaks
to produce more fatty acids which then combine with Na+ to
remove excess Na+ from the system
| Is This Answer Correct ? | 8 Yes | 2 No |
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