Embibe Experts Solutions for Chapter: Surface Chemistry, Exercise 1: JEE Advanced Paper 1 - 2013

The correct statement(s) about surface properties is(are)

When ${\mathrm{O}}_2$ is adsorbed on a metallic surface, electron transfer occurs from the metal to ${\mathrm{O}}_2$ . The TRUE statement(s) regarding this adsorption is(are)

The correct statement $\left(\mathrm{s}\right)$ related to colloids is(are)

Molar conductivity $\left({\bigwedge }_{\mathrm{m}} \right)$ of aqueous solution of sodium stearate, which behaves as a strong electrolyte, is recorded at varying concentration(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.)

Methylene blue, from its aqueous solution, is adsorbed on activated charcoal at 25^o C. For this process, the correct statement is