Adsorption
CHXII05:SURFACE CHEMISTRY

320813 Statement A :
A gas with higher critical temperature is adsorbed more than a gas with lower critical temperature.
Statement B :
Higher critical temperature means that the gas is more easily liquefiable.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXII05:SURFACE CHEMISTRY

320814 In Freundlich adsorption isotherm, the value of \({\rm{1/n}}\) is

1 Between 0 and 1 in all cases
2 Between 2 and 4 in all cases
3 1 in case of physical adsorption
4 1 in case of chemisorption
CHXII05:SURFACE CHEMISTRY

320815 Based on Langmuir adsorption isotherm, the intercept in the graph \(\left( {\frac{{\rm{m}}}{{\rm{x}}}} \right.{\rm{versus}}\,\,\left. {\frac{{\rm{1}}}{{\rm{p}}}} \right)\) is equal to

1 \(\frac{{\rm{1}}}{{\rm{a}}}\)
2 \(\frac{{\rm{b}}}{{\rm{a}}}\)
3 \(\frac{{\rm{a}}}{{\rm{b}}}\)
4 \(\frac{{\rm{1}}}{{\rm{Slope}}}\)
CHXII05:SURFACE CHEMISTRY

320816 For a linear plot of \(\log (\mathrm{x} / \mathrm{m})\) versus \(\log \mathrm{p}\) in a Freundlich adsorption isotherm, which of the following statements is correct ? (k and \(\mathrm{n}\) are constants)

1 \({\text{1 / n}}\) appears as the intercept
2 Only \({\text{1 / n}}\) appears as the slope
3 \({\rm{log(1/n)}}\) appears as the intercept
4 Both \(\mathrm{k}\) and \(1 / \mathrm{n}\) appear in the slope term
CHXII05:SURFACE CHEMISTRY

320817 The volume of gases \(\mathrm{H}_{2}, \mathrm{CH}_{4}, \mathrm{CO}_{2}\) and \(\mathrm{NH}_{3}\) adsorbed by \(1 \mathrm{~g}\) of charcoal at \(288 \mathrm{~K}\) are in the order of

1 \(\mathrm{H}_{2}>\mathrm{CH}_{4}>\mathrm{CO}_{2}>\mathrm{NH}_{3}\)
2 \(\mathrm{CH}_{4}>\mathrm{CO}_{2}>\mathrm{NH}_{3}>\mathrm{H}_{2}\)
3 \(\mathrm{CO}_{2}>\mathrm{NH}_{3}>\mathrm{H}_{2}>\mathrm{CH}_{4}\)
4 \(\mathrm{NH}_{3}>\mathrm{CO}_{2}>\mathrm{CH}_{4}>\mathrm{H}_{2}\)
CHXII05:SURFACE CHEMISTRY

320813 Statement A :
A gas with higher critical temperature is adsorbed more than a gas with lower critical temperature.
Statement B :
Higher critical temperature means that the gas is more easily liquefiable.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXII05:SURFACE CHEMISTRY

320814 In Freundlich adsorption isotherm, the value of \({\rm{1/n}}\) is

1 Between 0 and 1 in all cases
2 Between 2 and 4 in all cases
3 1 in case of physical adsorption
4 1 in case of chemisorption
CHXII05:SURFACE CHEMISTRY

320815 Based on Langmuir adsorption isotherm, the intercept in the graph \(\left( {\frac{{\rm{m}}}{{\rm{x}}}} \right.{\rm{versus}}\,\,\left. {\frac{{\rm{1}}}{{\rm{p}}}} \right)\) is equal to

1 \(\frac{{\rm{1}}}{{\rm{a}}}\)
2 \(\frac{{\rm{b}}}{{\rm{a}}}\)
3 \(\frac{{\rm{a}}}{{\rm{b}}}\)
4 \(\frac{{\rm{1}}}{{\rm{Slope}}}\)
CHXII05:SURFACE CHEMISTRY

320816 For a linear plot of \(\log (\mathrm{x} / \mathrm{m})\) versus \(\log \mathrm{p}\) in a Freundlich adsorption isotherm, which of the following statements is correct ? (k and \(\mathrm{n}\) are constants)

1 \({\text{1 / n}}\) appears as the intercept
2 Only \({\text{1 / n}}\) appears as the slope
3 \({\rm{log(1/n)}}\) appears as the intercept
4 Both \(\mathrm{k}\) and \(1 / \mathrm{n}\) appear in the slope term
CHXII05:SURFACE CHEMISTRY

320817 The volume of gases \(\mathrm{H}_{2}, \mathrm{CH}_{4}, \mathrm{CO}_{2}\) and \(\mathrm{NH}_{3}\) adsorbed by \(1 \mathrm{~g}\) of charcoal at \(288 \mathrm{~K}\) are in the order of

1 \(\mathrm{H}_{2}>\mathrm{CH}_{4}>\mathrm{CO}_{2}>\mathrm{NH}_{3}\)
2 \(\mathrm{CH}_{4}>\mathrm{CO}_{2}>\mathrm{NH}_{3}>\mathrm{H}_{2}\)
3 \(\mathrm{CO}_{2}>\mathrm{NH}_{3}>\mathrm{H}_{2}>\mathrm{CH}_{4}\)
4 \(\mathrm{NH}_{3}>\mathrm{CO}_{2}>\mathrm{CH}_{4}>\mathrm{H}_{2}\)
CHXII05:SURFACE CHEMISTRY

320813 Statement A :
A gas with higher critical temperature is adsorbed more than a gas with lower critical temperature.
Statement B :
Higher critical temperature means that the gas is more easily liquefiable.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXII05:SURFACE CHEMISTRY

320814 In Freundlich adsorption isotherm, the value of \({\rm{1/n}}\) is

1 Between 0 and 1 in all cases
2 Between 2 and 4 in all cases
3 1 in case of physical adsorption
4 1 in case of chemisorption
CHXII05:SURFACE CHEMISTRY

320815 Based on Langmuir adsorption isotherm, the intercept in the graph \(\left( {\frac{{\rm{m}}}{{\rm{x}}}} \right.{\rm{versus}}\,\,\left. {\frac{{\rm{1}}}{{\rm{p}}}} \right)\) is equal to

1 \(\frac{{\rm{1}}}{{\rm{a}}}\)
2 \(\frac{{\rm{b}}}{{\rm{a}}}\)
3 \(\frac{{\rm{a}}}{{\rm{b}}}\)
4 \(\frac{{\rm{1}}}{{\rm{Slope}}}\)
CHXII05:SURFACE CHEMISTRY

320816 For a linear plot of \(\log (\mathrm{x} / \mathrm{m})\) versus \(\log \mathrm{p}\) in a Freundlich adsorption isotherm, which of the following statements is correct ? (k and \(\mathrm{n}\) are constants)

1 \({\text{1 / n}}\) appears as the intercept
2 Only \({\text{1 / n}}\) appears as the slope
3 \({\rm{log(1/n)}}\) appears as the intercept
4 Both \(\mathrm{k}\) and \(1 / \mathrm{n}\) appear in the slope term
CHXII05:SURFACE CHEMISTRY

320817 The volume of gases \(\mathrm{H}_{2}, \mathrm{CH}_{4}, \mathrm{CO}_{2}\) and \(\mathrm{NH}_{3}\) adsorbed by \(1 \mathrm{~g}\) of charcoal at \(288 \mathrm{~K}\) are in the order of

1 \(\mathrm{H}_{2}>\mathrm{CH}_{4}>\mathrm{CO}_{2}>\mathrm{NH}_{3}\)
2 \(\mathrm{CH}_{4}>\mathrm{CO}_{2}>\mathrm{NH}_{3}>\mathrm{H}_{2}\)
3 \(\mathrm{CO}_{2}>\mathrm{NH}_{3}>\mathrm{H}_{2}>\mathrm{CH}_{4}\)
4 \(\mathrm{NH}_{3}>\mathrm{CO}_{2}>\mathrm{CH}_{4}>\mathrm{H}_{2}\)
CHXII05:SURFACE CHEMISTRY

320813 Statement A :
A gas with higher critical temperature is adsorbed more than a gas with lower critical temperature.
Statement B :
Higher critical temperature means that the gas is more easily liquefiable.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXII05:SURFACE CHEMISTRY

320814 In Freundlich adsorption isotherm, the value of \({\rm{1/n}}\) is

1 Between 0 and 1 in all cases
2 Between 2 and 4 in all cases
3 1 in case of physical adsorption
4 1 in case of chemisorption
CHXII05:SURFACE CHEMISTRY

320815 Based on Langmuir adsorption isotherm, the intercept in the graph \(\left( {\frac{{\rm{m}}}{{\rm{x}}}} \right.{\rm{versus}}\,\,\left. {\frac{{\rm{1}}}{{\rm{p}}}} \right)\) is equal to

1 \(\frac{{\rm{1}}}{{\rm{a}}}\)
2 \(\frac{{\rm{b}}}{{\rm{a}}}\)
3 \(\frac{{\rm{a}}}{{\rm{b}}}\)
4 \(\frac{{\rm{1}}}{{\rm{Slope}}}\)
CHXII05:SURFACE CHEMISTRY

320816 For a linear plot of \(\log (\mathrm{x} / \mathrm{m})\) versus \(\log \mathrm{p}\) in a Freundlich adsorption isotherm, which of the following statements is correct ? (k and \(\mathrm{n}\) are constants)

1 \({\text{1 / n}}\) appears as the intercept
2 Only \({\text{1 / n}}\) appears as the slope
3 \({\rm{log(1/n)}}\) appears as the intercept
4 Both \(\mathrm{k}\) and \(1 / \mathrm{n}\) appear in the slope term
CHXII05:SURFACE CHEMISTRY

320817 The volume of gases \(\mathrm{H}_{2}, \mathrm{CH}_{4}, \mathrm{CO}_{2}\) and \(\mathrm{NH}_{3}\) adsorbed by \(1 \mathrm{~g}\) of charcoal at \(288 \mathrm{~K}\) are in the order of

1 \(\mathrm{H}_{2}>\mathrm{CH}_{4}>\mathrm{CO}_{2}>\mathrm{NH}_{3}\)
2 \(\mathrm{CH}_{4}>\mathrm{CO}_{2}>\mathrm{NH}_{3}>\mathrm{H}_{2}\)
3 \(\mathrm{CO}_{2}>\mathrm{NH}_{3}>\mathrm{H}_{2}>\mathrm{CH}_{4}\)
4 \(\mathrm{NH}_{3}>\mathrm{CO}_{2}>\mathrm{CH}_{4}>\mathrm{H}_{2}\)
CHXII05:SURFACE CHEMISTRY

320813 Statement A :
A gas with higher critical temperature is adsorbed more than a gas with lower critical temperature.
Statement B :
Higher critical temperature means that the gas is more easily liquefiable.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXII05:SURFACE CHEMISTRY

320814 In Freundlich adsorption isotherm, the value of \({\rm{1/n}}\) is

1 Between 0 and 1 in all cases
2 Between 2 and 4 in all cases
3 1 in case of physical adsorption
4 1 in case of chemisorption
CHXII05:SURFACE CHEMISTRY

320815 Based on Langmuir adsorption isotherm, the intercept in the graph \(\left( {\frac{{\rm{m}}}{{\rm{x}}}} \right.{\rm{versus}}\,\,\left. {\frac{{\rm{1}}}{{\rm{p}}}} \right)\) is equal to

1 \(\frac{{\rm{1}}}{{\rm{a}}}\)
2 \(\frac{{\rm{b}}}{{\rm{a}}}\)
3 \(\frac{{\rm{a}}}{{\rm{b}}}\)
4 \(\frac{{\rm{1}}}{{\rm{Slope}}}\)
CHXII05:SURFACE CHEMISTRY

320816 For a linear plot of \(\log (\mathrm{x} / \mathrm{m})\) versus \(\log \mathrm{p}\) in a Freundlich adsorption isotherm, which of the following statements is correct ? (k and \(\mathrm{n}\) are constants)

1 \({\text{1 / n}}\) appears as the intercept
2 Only \({\text{1 / n}}\) appears as the slope
3 \({\rm{log(1/n)}}\) appears as the intercept
4 Both \(\mathrm{k}\) and \(1 / \mathrm{n}\) appear in the slope term
CHXII05:SURFACE CHEMISTRY

320817 The volume of gases \(\mathrm{H}_{2}, \mathrm{CH}_{4}, \mathrm{CO}_{2}\) and \(\mathrm{NH}_{3}\) adsorbed by \(1 \mathrm{~g}\) of charcoal at \(288 \mathrm{~K}\) are in the order of

1 \(\mathrm{H}_{2}>\mathrm{CH}_{4}>\mathrm{CO}_{2}>\mathrm{NH}_{3}\)
2 \(\mathrm{CH}_{4}>\mathrm{CO}_{2}>\mathrm{NH}_{3}>\mathrm{H}_{2}\)
3 \(\mathrm{CO}_{2}>\mathrm{NH}_{3}>\mathrm{H}_{2}>\mathrm{CH}_{4}\)
4 \(\mathrm{NH}_{3}>\mathrm{CO}_{2}>\mathrm{CH}_{4}>\mathrm{H}_{2}\)