Adsorption
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CHXII05:SURFACE CHEMISTRY

320643 Which one of the following is a property of physisorption?

1 Single layer adsorption
2 Non-specific nature
3 High specificity
4 Irreversibility
CHXII05:SURFACE CHEMISTRY

320644 Which of the following statement is incorrect regarding physisorption?

1 It occurs because of van der Waal's forces
2 More easily liquefiable gases are adsorbed easily
3 Under high pressure it results into multimolecular layer on adsorbent surface
4 Enthalpy of adsorption is low and positive
CHXII05:SURFACE CHEMISTRY

320645 For chemisorption, which of the following is wrong?

1 It is irreversible.
2 It requires activation energy.
3 It forms multimolecular layers on adsorbent.
4 Surface compounds are formed.
CHXII05:SURFACE CHEMISTRY

320646 Which of the following are favourable conditions for physisorption?

1 High temperature, low pressure
2 Low temperature, high pressure
3 Low temperature, low pressure
4 High temperature, high pressure
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CHXII05:SURFACE CHEMISTRY

320643 Which one of the following is a property of physisorption?

1 Single layer adsorption
2 Non-specific nature
3 High specificity
4 Irreversibility
CHXII05:SURFACE CHEMISTRY

320644 Which of the following statement is incorrect regarding physisorption?

1 It occurs because of van der Waal's forces
2 More easily liquefiable gases are adsorbed easily
3 Under high pressure it results into multimolecular layer on adsorbent surface
4 Enthalpy of adsorption is low and positive
CHXII05:SURFACE CHEMISTRY

320645 For chemisorption, which of the following is wrong?

1 It is irreversible.
2 It requires activation energy.
3 It forms multimolecular layers on adsorbent.
4 Surface compounds are formed.
CHXII05:SURFACE CHEMISTRY

320646 Which of the following are favourable conditions for physisorption?

1 High temperature, low pressure
2 Low temperature, high pressure
3 Low temperature, low pressure
4 High temperature, high pressure
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CHXII05:SURFACE CHEMISTRY

320643 Which one of the following is a property of physisorption?

1 Single layer adsorption
2 Non-specific nature
3 High specificity
4 Irreversibility
CHXII05:SURFACE CHEMISTRY

320644 Which of the following statement is incorrect regarding physisorption?

1 It occurs because of van der Waal's forces
2 More easily liquefiable gases are adsorbed easily
3 Under high pressure it results into multimolecular layer on adsorbent surface
4 Enthalpy of adsorption is low and positive
CHXII05:SURFACE CHEMISTRY

320645 For chemisorption, which of the following is wrong?

1 It is irreversible.
2 It requires activation energy.
3 It forms multimolecular layers on adsorbent.
4 Surface compounds are formed.
CHXII05:SURFACE CHEMISTRY

320646 Which of the following are favourable conditions for physisorption?

1 High temperature, low pressure
2 Low temperature, high pressure
3 Low temperature, low pressure
4 High temperature, high pressure
NEET DIGITAL LIBRARY
CHXII05:SURFACE CHEMISTRY

320643 Which one of the following is a property of physisorption?

1 Single layer adsorption
2 Non-specific nature
3 High specificity
4 Irreversibility
CHXII05:SURFACE CHEMISTRY

320644 Which of the following statement is incorrect regarding physisorption?

1 It occurs because of van der Waal's forces
2 More easily liquefiable gases are adsorbed easily
3 Under high pressure it results into multimolecular layer on adsorbent surface
4 Enthalpy of adsorption is low and positive
CHXII05:SURFACE CHEMISTRY

320645 For chemisorption, which of the following is wrong?

1 It is irreversible.
2 It requires activation energy.
3 It forms multimolecular layers on adsorbent.
4 Surface compounds are formed.
CHXII05:SURFACE CHEMISTRY

320646 Which of the following are favourable conditions for physisorption?

1 High temperature, low pressure
2 Low temperature, high pressure
3 Low temperature, low pressure
4 High temperature, high pressure
Join With Us for More Updates