In the measurement of gold number,the useful electrolyte is

Which of the following is a lyophobic colloidal solution?

Which of the following is applicable to a thin film?

Which of the following can form a cationic micelle?

Cod liver oil is

Molar conductivity $\left(\Lambda_m\right)$ of an aqueous solution of sodium stearate,which behaves as a strong electrolyte,is recorded at varying concentrations $(c)$ of sodium stearate. Which one of the following plots provides the correct representation of micelle formation in the solution? (Critical micelle concentration $(CMC)$ is marked with an arrow in the figures.)