Among the following, the surfacant that will form micelles in aqueous solution at the lowest molar concentration at ambient condition is:

Question

Among the following, the surfacant that will form micelles in aqueous solution at the lowest molar concentration at ambient condition is:, CH 3 CH 2 15 N + CH 3 3 Br −, CH 3 CH 2 11 OSO 3 − Na +, CH 3 CH 2 6 COO − Na +, CH 3 CH 2 11 N + CH 3 3 Br −

MARKS App · Accepted Answer

Larger the hydrophobic fragment of surfactant molecule easier will be micellisation, smaller the CMC value i.e. CH 3 CH 2 15 N + CH 3 3 Br − will have lowest CMC due to longest hydrophobic chain.

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