Properties of Colloids
CHXII05:SURFACE CHEMISTRY

320870 Which of the following process is not responsible for the presence of electric charge on the sol particles?

1 Absorption of ionic species from solution
2 Formation of Helmholtz electric double layer
3 Adsorption of ionic species from solution
4 Electron capture by sol particles
CHXII05:SURFACE CHEMISTRY

320871 A freshly prepared \(\mathrm{Fe}(\mathrm{OH})_{3}\) precipitate is peptised by adding \(\mathrm{FeCl}_{3}\) solution. The charge on the colloidal particle is due to preferential adsorption of:

1 \(\mathrm{Cl}^{-}\)ions
2 \(\mathrm{Fe}^{3+}\) ions
3 \(\mathrm{OH}^{-}\)ions
4 None
CHXII05:SURFACE CHEMISTRY

320872 Measuring Zeta potential is useful in determining which property of colloidal solution?

1 Solubility
2 Stability of the colloidal particles
3 Size of the colloidal particles
4 Viscosity
CHXII05:SURFACE CHEMISTRY

320873 The potential difference between the fixed charged layer and the diffused layer having opposite charge is called

1 Colloidal potential
2 Zeta potential
3 Electrostatic potential
4 None of the above
CHXII05:SURFACE CHEMISTRY

320874 Zeta potential is

1 Potential required to bring about coagultaion of a colloidal sol.
2 Potential required to give the particle a speed of \(1 \mathrm{~cm} \mathrm{~S}^{-1}\)
3 Potential difference between fixed charged layer and the diffused layer having opposite charges
4 Potential energy of the colloidal particles.
CHXII05:SURFACE CHEMISTRY

320870 Which of the following process is not responsible for the presence of electric charge on the sol particles?

1 Absorption of ionic species from solution
2 Formation of Helmholtz electric double layer
3 Adsorption of ionic species from solution
4 Electron capture by sol particles
CHXII05:SURFACE CHEMISTRY

320871 A freshly prepared \(\mathrm{Fe}(\mathrm{OH})_{3}\) precipitate is peptised by adding \(\mathrm{FeCl}_{3}\) solution. The charge on the colloidal particle is due to preferential adsorption of:

1 \(\mathrm{Cl}^{-}\)ions
2 \(\mathrm{Fe}^{3+}\) ions
3 \(\mathrm{OH}^{-}\)ions
4 None
CHXII05:SURFACE CHEMISTRY

320872 Measuring Zeta potential is useful in determining which property of colloidal solution?

1 Solubility
2 Stability of the colloidal particles
3 Size of the colloidal particles
4 Viscosity
CHXII05:SURFACE CHEMISTRY

320873 The potential difference between the fixed charged layer and the diffused layer having opposite charge is called

1 Colloidal potential
2 Zeta potential
3 Electrostatic potential
4 None of the above
CHXII05:SURFACE CHEMISTRY

320874 Zeta potential is

1 Potential required to bring about coagultaion of a colloidal sol.
2 Potential required to give the particle a speed of \(1 \mathrm{~cm} \mathrm{~S}^{-1}\)
3 Potential difference between fixed charged layer and the diffused layer having opposite charges
4 Potential energy of the colloidal particles.
CHXII05:SURFACE CHEMISTRY

320870 Which of the following process is not responsible for the presence of electric charge on the sol particles?

1 Absorption of ionic species from solution
2 Formation of Helmholtz electric double layer
3 Adsorption of ionic species from solution
4 Electron capture by sol particles
CHXII05:SURFACE CHEMISTRY

320871 A freshly prepared \(\mathrm{Fe}(\mathrm{OH})_{3}\) precipitate is peptised by adding \(\mathrm{FeCl}_{3}\) solution. The charge on the colloidal particle is due to preferential adsorption of:

1 \(\mathrm{Cl}^{-}\)ions
2 \(\mathrm{Fe}^{3+}\) ions
3 \(\mathrm{OH}^{-}\)ions
4 None
CHXII05:SURFACE CHEMISTRY

320872 Measuring Zeta potential is useful in determining which property of colloidal solution?

1 Solubility
2 Stability of the colloidal particles
3 Size of the colloidal particles
4 Viscosity
CHXII05:SURFACE CHEMISTRY

320873 The potential difference between the fixed charged layer and the diffused layer having opposite charge is called

1 Colloidal potential
2 Zeta potential
3 Electrostatic potential
4 None of the above
CHXII05:SURFACE CHEMISTRY

320874 Zeta potential is

1 Potential required to bring about coagultaion of a colloidal sol.
2 Potential required to give the particle a speed of \(1 \mathrm{~cm} \mathrm{~S}^{-1}\)
3 Potential difference between fixed charged layer and the diffused layer having opposite charges
4 Potential energy of the colloidal particles.
CHXII05:SURFACE CHEMISTRY

320870 Which of the following process is not responsible for the presence of electric charge on the sol particles?

1 Absorption of ionic species from solution
2 Formation of Helmholtz electric double layer
3 Adsorption of ionic species from solution
4 Electron capture by sol particles
CHXII05:SURFACE CHEMISTRY

320871 A freshly prepared \(\mathrm{Fe}(\mathrm{OH})_{3}\) precipitate is peptised by adding \(\mathrm{FeCl}_{3}\) solution. The charge on the colloidal particle is due to preferential adsorption of:

1 \(\mathrm{Cl}^{-}\)ions
2 \(\mathrm{Fe}^{3+}\) ions
3 \(\mathrm{OH}^{-}\)ions
4 None
CHXII05:SURFACE CHEMISTRY

320872 Measuring Zeta potential is useful in determining which property of colloidal solution?

1 Solubility
2 Stability of the colloidal particles
3 Size of the colloidal particles
4 Viscosity
CHXII05:SURFACE CHEMISTRY

320873 The potential difference between the fixed charged layer and the diffused layer having opposite charge is called

1 Colloidal potential
2 Zeta potential
3 Electrostatic potential
4 None of the above
CHXII05:SURFACE CHEMISTRY

320874 Zeta potential is

1 Potential required to bring about coagultaion of a colloidal sol.
2 Potential required to give the particle a speed of \(1 \mathrm{~cm} \mathrm{~S}^{-1}\)
3 Potential difference between fixed charged layer and the diffused layer having opposite charges
4 Potential energy of the colloidal particles.
CHXII05:SURFACE CHEMISTRY

320870 Which of the following process is not responsible for the presence of electric charge on the sol particles?

1 Absorption of ionic species from solution
2 Formation of Helmholtz electric double layer
3 Adsorption of ionic species from solution
4 Electron capture by sol particles
CHXII05:SURFACE CHEMISTRY

320871 A freshly prepared \(\mathrm{Fe}(\mathrm{OH})_{3}\) precipitate is peptised by adding \(\mathrm{FeCl}_{3}\) solution. The charge on the colloidal particle is due to preferential adsorption of:

1 \(\mathrm{Cl}^{-}\)ions
2 \(\mathrm{Fe}^{3+}\) ions
3 \(\mathrm{OH}^{-}\)ions
4 None
CHXII05:SURFACE CHEMISTRY

320872 Measuring Zeta potential is useful in determining which property of colloidal solution?

1 Solubility
2 Stability of the colloidal particles
3 Size of the colloidal particles
4 Viscosity
CHXII05:SURFACE CHEMISTRY

320873 The potential difference between the fixed charged layer and the diffused layer having opposite charge is called

1 Colloidal potential
2 Zeta potential
3 Electrostatic potential
4 None of the above
CHXII05:SURFACE CHEMISTRY

320874 Zeta potential is

1 Potential required to bring about coagultaion of a colloidal sol.
2 Potential required to give the particle a speed of \(1 \mathrm{~cm} \mathrm{~S}^{-1}\)
3 Potential difference between fixed charged layer and the diffused layer having opposite charges
4 Potential energy of the colloidal particles.