Adsorption
CHXII05:SURFACE CHEMISTRY

320826 Which of the following relation is correct?
(i) \(\frac{{\text{x}}}{{\text{m}}}\)=constant at high pressure
(ii) \(\frac{{\text{x}}}{{\text{m}}}\)= constant X \({{\rm{P}}^{{\rm{1/n}}}}\) at intermediate pressure
(iii) \(\frac{{\text{x}}}{{\text{m}}}\)= constant X \({\text{ P}}\) at lower pressure

1 All are correct
2 All are wrong
3 (i) and (ii) are correct
4 (iii) is correct
CHXII05:SURFACE CHEMISTRY

320827 At low pressure, the fraction of the surface covered follows:

1 Zero order kinetics
2 First order kinetics
3 Second order kinetics
4 Third order kinetics
CHXII05:SURFACE CHEMISTRY

320828 Calculate the surface area of a catalyst that adsorbs \(10^{3} \mathrm{~cm}^{3}\) of \({{\rm{N}}_{\rm{2}}}\) (reduced to STP) per gram in order to form the monolayer. The effective area occupied by \({{\rm{N}}_{\rm{2}}}\) molecule of the surface is \(1.62 \times 10^{-15} \mathrm{~cm}^{2}\)

1 \(2520 \times 10^{5} \mathrm{~cm}^{2}\)
2 \(4350 \mathrm{~m}^{2}\)
3 \(3720 \mathrm{~m}^{2}\)
4 \(435 \times 10^{5} \mathrm{~m}^{2}\)
CHXII05:SURFACE CHEMISTRY

320829 The extent of adsorption of a gas on a solid depends on

1 Nature of the gas
2 Temperature of the system
3 Pressure of the gas
4 All are correct
CHXII05:SURFACE CHEMISTRY

320830 Adsorption of a gas follows Freundlich adsorption isotherm. In the given plot, \({\rm{x}}\) is the mass of the gas adsorbed on mass \({\rm{m}}\) of the adsorbent at pressure \({\rm{P }}{\rm{. x /m}}\) is proportional
supporting img

1 \(\mathrm{P}^{1 / 2}\)
2 \(\mathrm{P}^{2}\)
3 \(\mathrm{P}^{1 / 4}\)
4 \(\mathrm{P}\)
CHXII05:SURFACE CHEMISTRY

320826 Which of the following relation is correct?
(i) \(\frac{{\text{x}}}{{\text{m}}}\)=constant at high pressure
(ii) \(\frac{{\text{x}}}{{\text{m}}}\)= constant X \({{\rm{P}}^{{\rm{1/n}}}}\) at intermediate pressure
(iii) \(\frac{{\text{x}}}{{\text{m}}}\)= constant X \({\text{ P}}\) at lower pressure

1 All are correct
2 All are wrong
3 (i) and (ii) are correct
4 (iii) is correct
CHXII05:SURFACE CHEMISTRY

320827 At low pressure, the fraction of the surface covered follows:

1 Zero order kinetics
2 First order kinetics
3 Second order kinetics
4 Third order kinetics
CHXII05:SURFACE CHEMISTRY

320828 Calculate the surface area of a catalyst that adsorbs \(10^{3} \mathrm{~cm}^{3}\) of \({{\rm{N}}_{\rm{2}}}\) (reduced to STP) per gram in order to form the monolayer. The effective area occupied by \({{\rm{N}}_{\rm{2}}}\) molecule of the surface is \(1.62 \times 10^{-15} \mathrm{~cm}^{2}\)

1 \(2520 \times 10^{5} \mathrm{~cm}^{2}\)
2 \(4350 \mathrm{~m}^{2}\)
3 \(3720 \mathrm{~m}^{2}\)
4 \(435 \times 10^{5} \mathrm{~m}^{2}\)
CHXII05:SURFACE CHEMISTRY

320829 The extent of adsorption of a gas on a solid depends on

1 Nature of the gas
2 Temperature of the system
3 Pressure of the gas
4 All are correct
CHXII05:SURFACE CHEMISTRY

320830 Adsorption of a gas follows Freundlich adsorption isotherm. In the given plot, \({\rm{x}}\) is the mass of the gas adsorbed on mass \({\rm{m}}\) of the adsorbent at pressure \({\rm{P }}{\rm{. x /m}}\) is proportional
supporting img

1 \(\mathrm{P}^{1 / 2}\)
2 \(\mathrm{P}^{2}\)
3 \(\mathrm{P}^{1 / 4}\)
4 \(\mathrm{P}\)
CHXII05:SURFACE CHEMISTRY

320826 Which of the following relation is correct?
(i) \(\frac{{\text{x}}}{{\text{m}}}\)=constant at high pressure
(ii) \(\frac{{\text{x}}}{{\text{m}}}\)= constant X \({{\rm{P}}^{{\rm{1/n}}}}\) at intermediate pressure
(iii) \(\frac{{\text{x}}}{{\text{m}}}\)= constant X \({\text{ P}}\) at lower pressure

1 All are correct
2 All are wrong
3 (i) and (ii) are correct
4 (iii) is correct
CHXII05:SURFACE CHEMISTRY

320827 At low pressure, the fraction of the surface covered follows:

1 Zero order kinetics
2 First order kinetics
3 Second order kinetics
4 Third order kinetics
CHXII05:SURFACE CHEMISTRY

320828 Calculate the surface area of a catalyst that adsorbs \(10^{3} \mathrm{~cm}^{3}\) of \({{\rm{N}}_{\rm{2}}}\) (reduced to STP) per gram in order to form the monolayer. The effective area occupied by \({{\rm{N}}_{\rm{2}}}\) molecule of the surface is \(1.62 \times 10^{-15} \mathrm{~cm}^{2}\)

1 \(2520 \times 10^{5} \mathrm{~cm}^{2}\)
2 \(4350 \mathrm{~m}^{2}\)
3 \(3720 \mathrm{~m}^{2}\)
4 \(435 \times 10^{5} \mathrm{~m}^{2}\)
CHXII05:SURFACE CHEMISTRY

320829 The extent of adsorption of a gas on a solid depends on

1 Nature of the gas
2 Temperature of the system
3 Pressure of the gas
4 All are correct
CHXII05:SURFACE CHEMISTRY

320830 Adsorption of a gas follows Freundlich adsorption isotherm. In the given plot, \({\rm{x}}\) is the mass of the gas adsorbed on mass \({\rm{m}}\) of the adsorbent at pressure \({\rm{P }}{\rm{. x /m}}\) is proportional
supporting img

1 \(\mathrm{P}^{1 / 2}\)
2 \(\mathrm{P}^{2}\)
3 \(\mathrm{P}^{1 / 4}\)
4 \(\mathrm{P}\)
CHXII05:SURFACE CHEMISTRY

320826 Which of the following relation is correct?
(i) \(\frac{{\text{x}}}{{\text{m}}}\)=constant at high pressure
(ii) \(\frac{{\text{x}}}{{\text{m}}}\)= constant X \({{\rm{P}}^{{\rm{1/n}}}}\) at intermediate pressure
(iii) \(\frac{{\text{x}}}{{\text{m}}}\)= constant X \({\text{ P}}\) at lower pressure

1 All are correct
2 All are wrong
3 (i) and (ii) are correct
4 (iii) is correct
CHXII05:SURFACE CHEMISTRY

320827 At low pressure, the fraction of the surface covered follows:

1 Zero order kinetics
2 First order kinetics
3 Second order kinetics
4 Third order kinetics
CHXII05:SURFACE CHEMISTRY

320828 Calculate the surface area of a catalyst that adsorbs \(10^{3} \mathrm{~cm}^{3}\) of \({{\rm{N}}_{\rm{2}}}\) (reduced to STP) per gram in order to form the monolayer. The effective area occupied by \({{\rm{N}}_{\rm{2}}}\) molecule of the surface is \(1.62 \times 10^{-15} \mathrm{~cm}^{2}\)

1 \(2520 \times 10^{5} \mathrm{~cm}^{2}\)
2 \(4350 \mathrm{~m}^{2}\)
3 \(3720 \mathrm{~m}^{2}\)
4 \(435 \times 10^{5} \mathrm{~m}^{2}\)
CHXII05:SURFACE CHEMISTRY

320829 The extent of adsorption of a gas on a solid depends on

1 Nature of the gas
2 Temperature of the system
3 Pressure of the gas
4 All are correct
CHXII05:SURFACE CHEMISTRY

320830 Adsorption of a gas follows Freundlich adsorption isotherm. In the given plot, \({\rm{x}}\) is the mass of the gas adsorbed on mass \({\rm{m}}\) of the adsorbent at pressure \({\rm{P }}{\rm{. x /m}}\) is proportional
supporting img

1 \(\mathrm{P}^{1 / 2}\)
2 \(\mathrm{P}^{2}\)
3 \(\mathrm{P}^{1 / 4}\)
4 \(\mathrm{P}\)
CHXII05:SURFACE CHEMISTRY

320826 Which of the following relation is correct?
(i) \(\frac{{\text{x}}}{{\text{m}}}\)=constant at high pressure
(ii) \(\frac{{\text{x}}}{{\text{m}}}\)= constant X \({{\rm{P}}^{{\rm{1/n}}}}\) at intermediate pressure
(iii) \(\frac{{\text{x}}}{{\text{m}}}\)= constant X \({\text{ P}}\) at lower pressure

1 All are correct
2 All are wrong
3 (i) and (ii) are correct
4 (iii) is correct
CHXII05:SURFACE CHEMISTRY

320827 At low pressure, the fraction of the surface covered follows:

1 Zero order kinetics
2 First order kinetics
3 Second order kinetics
4 Third order kinetics
CHXII05:SURFACE CHEMISTRY

320828 Calculate the surface area of a catalyst that adsorbs \(10^{3} \mathrm{~cm}^{3}\) of \({{\rm{N}}_{\rm{2}}}\) (reduced to STP) per gram in order to form the monolayer. The effective area occupied by \({{\rm{N}}_{\rm{2}}}\) molecule of the surface is \(1.62 \times 10^{-15} \mathrm{~cm}^{2}\)

1 \(2520 \times 10^{5} \mathrm{~cm}^{2}\)
2 \(4350 \mathrm{~m}^{2}\)
3 \(3720 \mathrm{~m}^{2}\)
4 \(435 \times 10^{5} \mathrm{~m}^{2}\)
CHXII05:SURFACE CHEMISTRY

320829 The extent of adsorption of a gas on a solid depends on

1 Nature of the gas
2 Temperature of the system
3 Pressure of the gas
4 All are correct
CHXII05:SURFACE CHEMISTRY

320830 Adsorption of a gas follows Freundlich adsorption isotherm. In the given plot, \({\rm{x}}\) is the mass of the gas adsorbed on mass \({\rm{m}}\) of the adsorbent at pressure \({\rm{P }}{\rm{. x /m}}\) is proportional
supporting img

1 \(\mathrm{P}^{1 / 2}\)
2 \(\mathrm{P}^{2}\)
3 \(\mathrm{P}^{1 / 4}\)
4 \(\mathrm{P}\)