1.

Among the following the surfactant that will from micelles in squeous solution at the lowest molar concentration at ambident condition is :A. `CH_(3)(CH_(2))_(15)N^(+)(CH_(3))_(3)Br`B. `C H_(3)(CH_(2))_(11)OSO_(3)^(-)Na^(+)`C. `CH_(3)(CH_(2))_(6)CO O^(-)Na^(+)`D. `CH_(3)(CH_(2))_(11)N^(+)(CH_(3))_(3)Br`

Answer» Correct Answer - B
In case of detergents, e.g., sodium lauryl sulphate viz.
`CH_(3)(CH_(2))_(11)SO_(4)^(-)Na^(+),` the polar group is `R-OSO_(3)^(-)` along with the long hydrocarbon chain will for micelle.


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