1.

Among the following , the surfactant that will form nicelles in aqueous solution at the lowest nola concentration at amibemt conditions, is :A. ` CH_3 (CH_2)_(15)N^+ (CH_3)_3 Br^-`B. `CH_3 (CH_2)_(11)OSO_3^(-) Na^+`C. `CH_3 (CH_2)_(6)OSO_3^(-) Na^+`D. ` CH_3 (CH_2)_(11)N^+ (CH_3)_3 Br^-`

Answer» Correct Answer - a
Larger si the hydrophobic part in surfactant more is its ability to formn micelles at lower concentration and `CH_3(CH_2)_(15) N^+(CH_3)_3 Br^-` has longest hydrocarbon chain (i.e., hydrogphobic).


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