Adsorption
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CHXII05:SURFACE CHEMISTRY

320805 Which of the following observations are true in case of adsorption from the solution phase?
I. The extent of adsorption decreases with an increase of temperature.
II. The extent of adsorption increases with the decreases in surface area of adsorbent.
Select the correct option.

1 Only I
2 Only II
3 I and II
4 None of these
CHXII05:SURFACE CHEMISTRY

320806 In adsorption from solution phase, the Freundlich adsorption isotherm is modified as

1 \(\frac{{\text{x}}}{{\text{m}}}{\text{ = k}}{{\text{C}}^{{\text{1/n}}}}\)
2 \(\frac{{\text{x}}}{{\text{m}}}{\text{ = nk}}{{\text{P}}^{{\text{1/n}}}}\)
3 \(\frac{{\text{x}}}{{\text{m}}}{\text{ = k}}{\text{.}}{{\text{T}}^{{\text{1/n}}}}\)
4 \(\frac{{\text{x}}}{{\text{m}}}{\text{ = R}}{\text{.}}{{\text{T}}^{{\text{1/n}}}}\)
CHXII05:SURFACE CHEMISTRY

320807 The adsorption of a gas on a solid surface varies with pressure of the gas in which of the following manner

1 Independent of the pressure \(\rightarrow\) slow \(\rightarrow\) fast
2 Fast \(\rightarrow\) slow \(\rightarrow\) indepedent of the pressure
3 Slow \(\rightarrow\) fast \(\rightarrow\) independent of the pressure
4 Independent of the pressure \(\rightarrow\) fast \(\rightarrow\) slow
CHXII05:SURFACE CHEMISTRY

320808 3.6 gram of oxygen is adsorbed on \(1.2 \mathrm{~g}\) of metal powder. What volume of oxygen adsorbed per gram of the adsorbent at S.T.P.?

1 \(0.19 \mathrm {Lg}^{-1}\)
2 \(1 \mathrm{Lg}^{-1}\)
3 \(2.1 \mathrm{Lg}^{-1}\)
4 \(3.2 \mathrm {Lg}^{-1}\)
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CHXII05:SURFACE CHEMISTRY

320805 Which of the following observations are true in case of adsorption from the solution phase?
I. The extent of adsorption decreases with an increase of temperature.
II. The extent of adsorption increases with the decreases in surface area of adsorbent.
Select the correct option.

1 Only I
2 Only II
3 I and II
4 None of these
CHXII05:SURFACE CHEMISTRY

320806 In adsorption from solution phase, the Freundlich adsorption isotherm is modified as

1 \(\frac{{\text{x}}}{{\text{m}}}{\text{ = k}}{{\text{C}}^{{\text{1/n}}}}\)
2 \(\frac{{\text{x}}}{{\text{m}}}{\text{ = nk}}{{\text{P}}^{{\text{1/n}}}}\)
3 \(\frac{{\text{x}}}{{\text{m}}}{\text{ = k}}{\text{.}}{{\text{T}}^{{\text{1/n}}}}\)
4 \(\frac{{\text{x}}}{{\text{m}}}{\text{ = R}}{\text{.}}{{\text{T}}^{{\text{1/n}}}}\)
CHXII05:SURFACE CHEMISTRY

320807 The adsorption of a gas on a solid surface varies with pressure of the gas in which of the following manner

1 Independent of the pressure \(\rightarrow\) slow \(\rightarrow\) fast
2 Fast \(\rightarrow\) slow \(\rightarrow\) indepedent of the pressure
3 Slow \(\rightarrow\) fast \(\rightarrow\) independent of the pressure
4 Independent of the pressure \(\rightarrow\) fast \(\rightarrow\) slow
CHXII05:SURFACE CHEMISTRY

320808 3.6 gram of oxygen is adsorbed on \(1.2 \mathrm{~g}\) of metal powder. What volume of oxygen adsorbed per gram of the adsorbent at S.T.P.?

1 \(0.19 \mathrm {Lg}^{-1}\)
2 \(1 \mathrm{Lg}^{-1}\)
3 \(2.1 \mathrm{Lg}^{-1}\)
4 \(3.2 \mathrm {Lg}^{-1}\)
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CHXII05:SURFACE CHEMISTRY

320805 Which of the following observations are true in case of adsorption from the solution phase?
I. The extent of adsorption decreases with an increase of temperature.
II. The extent of adsorption increases with the decreases in surface area of adsorbent.
Select the correct option.

1 Only I
2 Only II
3 I and II
4 None of these
CHXII05:SURFACE CHEMISTRY

320806 In adsorption from solution phase, the Freundlich adsorption isotherm is modified as

1 \(\frac{{\text{x}}}{{\text{m}}}{\text{ = k}}{{\text{C}}^{{\text{1/n}}}}\)
2 \(\frac{{\text{x}}}{{\text{m}}}{\text{ = nk}}{{\text{P}}^{{\text{1/n}}}}\)
3 \(\frac{{\text{x}}}{{\text{m}}}{\text{ = k}}{\text{.}}{{\text{T}}^{{\text{1/n}}}}\)
4 \(\frac{{\text{x}}}{{\text{m}}}{\text{ = R}}{\text{.}}{{\text{T}}^{{\text{1/n}}}}\)
CHXII05:SURFACE CHEMISTRY

320807 The adsorption of a gas on a solid surface varies with pressure of the gas in which of the following manner

1 Independent of the pressure \(\rightarrow\) slow \(\rightarrow\) fast
2 Fast \(\rightarrow\) slow \(\rightarrow\) indepedent of the pressure
3 Slow \(\rightarrow\) fast \(\rightarrow\) independent of the pressure
4 Independent of the pressure \(\rightarrow\) fast \(\rightarrow\) slow
CHXII05:SURFACE CHEMISTRY

320808 3.6 gram of oxygen is adsorbed on \(1.2 \mathrm{~g}\) of metal powder. What volume of oxygen adsorbed per gram of the adsorbent at S.T.P.?

1 \(0.19 \mathrm {Lg}^{-1}\)
2 \(1 \mathrm{Lg}^{-1}\)
3 \(2.1 \mathrm{Lg}^{-1}\)
4 \(3.2 \mathrm {Lg}^{-1}\)
NEET DIGITAL LIBRARY
CHXII05:SURFACE CHEMISTRY

320805 Which of the following observations are true in case of adsorption from the solution phase?
I. The extent of adsorption decreases with an increase of temperature.
II. The extent of adsorption increases with the decreases in surface area of adsorbent.
Select the correct option.

1 Only I
2 Only II
3 I and II
4 None of these
CHXII05:SURFACE CHEMISTRY

320806 In adsorption from solution phase, the Freundlich adsorption isotherm is modified as

1 \(\frac{{\text{x}}}{{\text{m}}}{\text{ = k}}{{\text{C}}^{{\text{1/n}}}}\)
2 \(\frac{{\text{x}}}{{\text{m}}}{\text{ = nk}}{{\text{P}}^{{\text{1/n}}}}\)
3 \(\frac{{\text{x}}}{{\text{m}}}{\text{ = k}}{\text{.}}{{\text{T}}^{{\text{1/n}}}}\)
4 \(\frac{{\text{x}}}{{\text{m}}}{\text{ = R}}{\text{.}}{{\text{T}}^{{\text{1/n}}}}\)
CHXII05:SURFACE CHEMISTRY

320807 The adsorption of a gas on a solid surface varies with pressure of the gas in which of the following manner

1 Independent of the pressure \(\rightarrow\) slow \(\rightarrow\) fast
2 Fast \(\rightarrow\) slow \(\rightarrow\) indepedent of the pressure
3 Slow \(\rightarrow\) fast \(\rightarrow\) independent of the pressure
4 Independent of the pressure \(\rightarrow\) fast \(\rightarrow\) slow
CHXII05:SURFACE CHEMISTRY

320808 3.6 gram of oxygen is adsorbed on \(1.2 \mathrm{~g}\) of metal powder. What volume of oxygen adsorbed per gram of the adsorbent at S.T.P.?

1 \(0.19 \mathrm {Lg}^{-1}\)
2 \(1 \mathrm{Lg}^{-1}\)
3 \(2.1 \mathrm{Lg}^{-1}\)
4 \(3.2 \mathrm {Lg}^{-1}\)
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