Surface Chemistry

Given below are two statements : Statement $I$ : In the coagulation of a negative sol, the flocculating power of the three given ions is in the order - $\mathrm{Al}^{3+}>\mathrm{Ba}^{2+}>\mathrm{Na}^{+}$…

Molar conductivity $(⋀_{m})$ 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…

The qualitative sketches I, II and III given below show the variation of surface tension with molar concentration of three different aqueous solutions of KCl, $CH_{3}OH$ and $CH_{3}(CH_{2})_{11}OSO_{3}^{-}Na^{+}$ at…

When $O_{2}$ is adsorbed on a metallic surface, electron transfer occurs from the metal to $O_{2}$ . The TRUE statement(s) regarding this adsorption is(are)

The given graphs/data I, II, III and IV represent general trends observed for different physisorption and chemisorption processes under mild conditions of temperature and presure. Which of the following choice(s) about…

Consider the following statements related to colloids. (I) Lyophobic colloids are not formed by simple mixing of dispersed phase and dispersion medium. (II) For emulsions, both the dispersed phase and the dispersion…

The correct option(s) related to adsorption processes is(are)

The correct statement $(s)$ related to colloids is(are)

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

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

Choose the correct reason(s) for the stability of the lyophobic colloidal particles.

The correct statement(s) pertaining to the adsorption of a gas on a solid surface is(are)