Why does micelle formation take place when soap is added to water ? Will a micelle be formed in other solvents such as ethanol also ?
Why does micelle formation take place when soap is added to water ? Will a micelle be formed in other solvents such as ethanol also ?
Micelles are formed when soap is added to water. This is because the hydrocarbon chains of a soap molecule are hydrophobic and insoluble in water, but the ionic ends are hydrophilic and soluble in water. Micelles are an aggregate of soap molecules that arrange themselves in a spherical shape in the soap solution.
Micelles will not form in a solvent like ethanol, as the hydrocarbon chain of soap molecules is hydrophobic; hence, not be soluble in organic solvent like ethanol.
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$(i)$ $CH _{3}- CH _{2}- Br$
$(ii)$ $\begin{matrix}
H \\
| \\
H-C=O \\
\end{matrix}$
$(iii)$ $\begin{matrix}
\begin{matrix}
H\,\,\,\,\,H\,\,\,\,\,\,\,H\,\,\,\,\,H\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \,\, \\
|\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
\end{matrix} \\
H-C-C-C-C-C\equiv C-H \\
\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
H\,\,\,\,\,\,\,H\,\,\,\,\,\,\,H\,\,\,\,\,H\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
\end{matrix}$
How would you name the following compounds ?
$(i)$ $CH _{3}- CH _{2}- Br$
$(ii)$ $\begin{matrix}
H \\
| \\
H-C=O \\
\end{matrix}$
$(iii)$ $\begin{matrix}
\begin{matrix}
H\,\,\,\,\,H\,\,\,\,\,\,\,H\,\,\,\,\,H\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \,\, \\
|\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
\end{matrix} \\
H-C-C-C-C-C\equiv C-H \\
\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
H\,\,\,\,\,\,\,H\,\,\,\,\,\,\,H\,\,\,\,\,H\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
\end{matrix}$