320664
Ostwald's process involves oxidation of ammonia to ' Y ' in the presence of platinum gauze. How many atoms of nitrogen is/are present in one molecule of product ' \({\mathrm{Y}}\) '?
1 1
2 0.5
3 3
4 \(1/4\)
Explanation:
Ostwald's process: \({\text{4N}}{{\text{H}}_{{\text{3(g)}}}}{\text{ + 5}}{{\text{O}}_{{\text{2(g)}}}}\xrightarrow{{{\text{Pt(s)}}}}{\text{4N}}{{\text{O}}_{{\text{(g)}}}}{\text{ + 6}}{{\text{H}}_{\text{2}}}{{\text{O}}_{{\text{(g)}}}}\) Product ' Y ' is nitric oxide (NO). \({\mathrm{\therefore}}\) No. of atoms of nitrogen in one molecule of nitric oxide \({\mathrm{=1}}\)
CHXII05:SURFACE CHEMISTRY
320665
Activated charcoal is used in separating noble gases in Dewar's method. In this process activated charcoal acts as
1 Absorber
2 Adsorbent
3 Adsorbate
4 Catalyst
Explanation:
In Dewar's method activated charcoal acts as adsorbent.
CHXII05:SURFACE CHEMISTRY
320666
Adsorption plays an important role in
1 Heterogeneous catalysis
2 Homogeneous catalysis
3 Positive catalysis
4 Negative catalysis
Explanation:
Adsorption plays an important role in heterogeneous catalysis.
CHXII05:SURFACE CHEMISTRY
320667
Which of the following is not the application of adsorption?
1 De-ionisation of water
2 Gas masks
3 Surfactants
4 Hygroscopic nature of \(\mathrm{CaCl}_{2}\)
Explanation:
Hygroscopic nature of \(\mathrm{CaCl}_{2}\) is an example of absorption.
CHXII05:SURFACE CHEMISTRY
320668
Which of the following processes of metallurgy involves adsorption?
1 Magnetic separation method
2 Electrostatic separation method
3 Gravity separation method
4 Froth floatation process
Explanation:
Froth floatation method is used to concentrate sulphide ore which involves adsorption.
320664
Ostwald's process involves oxidation of ammonia to ' Y ' in the presence of platinum gauze. How many atoms of nitrogen is/are present in one molecule of product ' \({\mathrm{Y}}\) '?
1 1
2 0.5
3 3
4 \(1/4\)
Explanation:
Ostwald's process: \({\text{4N}}{{\text{H}}_{{\text{3(g)}}}}{\text{ + 5}}{{\text{O}}_{{\text{2(g)}}}}\xrightarrow{{{\text{Pt(s)}}}}{\text{4N}}{{\text{O}}_{{\text{(g)}}}}{\text{ + 6}}{{\text{H}}_{\text{2}}}{{\text{O}}_{{\text{(g)}}}}\) Product ' Y ' is nitric oxide (NO). \({\mathrm{\therefore}}\) No. of atoms of nitrogen in one molecule of nitric oxide \({\mathrm{=1}}\)
CHXII05:SURFACE CHEMISTRY
320665
Activated charcoal is used in separating noble gases in Dewar's method. In this process activated charcoal acts as
1 Absorber
2 Adsorbent
3 Adsorbate
4 Catalyst
Explanation:
In Dewar's method activated charcoal acts as adsorbent.
CHXII05:SURFACE CHEMISTRY
320666
Adsorption plays an important role in
1 Heterogeneous catalysis
2 Homogeneous catalysis
3 Positive catalysis
4 Negative catalysis
Explanation:
Adsorption plays an important role in heterogeneous catalysis.
CHXII05:SURFACE CHEMISTRY
320667
Which of the following is not the application of adsorption?
1 De-ionisation of water
2 Gas masks
3 Surfactants
4 Hygroscopic nature of \(\mathrm{CaCl}_{2}\)
Explanation:
Hygroscopic nature of \(\mathrm{CaCl}_{2}\) is an example of absorption.
CHXII05:SURFACE CHEMISTRY
320668
Which of the following processes of metallurgy involves adsorption?
1 Magnetic separation method
2 Electrostatic separation method
3 Gravity separation method
4 Froth floatation process
Explanation:
Froth floatation method is used to concentrate sulphide ore which involves adsorption.
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CHXII05:SURFACE CHEMISTRY
320664
Ostwald's process involves oxidation of ammonia to ' Y ' in the presence of platinum gauze. How many atoms of nitrogen is/are present in one molecule of product ' \({\mathrm{Y}}\) '?
1 1
2 0.5
3 3
4 \(1/4\)
Explanation:
Ostwald's process: \({\text{4N}}{{\text{H}}_{{\text{3(g)}}}}{\text{ + 5}}{{\text{O}}_{{\text{2(g)}}}}\xrightarrow{{{\text{Pt(s)}}}}{\text{4N}}{{\text{O}}_{{\text{(g)}}}}{\text{ + 6}}{{\text{H}}_{\text{2}}}{{\text{O}}_{{\text{(g)}}}}\) Product ' Y ' is nitric oxide (NO). \({\mathrm{\therefore}}\) No. of atoms of nitrogen in one molecule of nitric oxide \({\mathrm{=1}}\)
CHXII05:SURFACE CHEMISTRY
320665
Activated charcoal is used in separating noble gases in Dewar's method. In this process activated charcoal acts as
1 Absorber
2 Adsorbent
3 Adsorbate
4 Catalyst
Explanation:
In Dewar's method activated charcoal acts as adsorbent.
CHXII05:SURFACE CHEMISTRY
320666
Adsorption plays an important role in
1 Heterogeneous catalysis
2 Homogeneous catalysis
3 Positive catalysis
4 Negative catalysis
Explanation:
Adsorption plays an important role in heterogeneous catalysis.
CHXII05:SURFACE CHEMISTRY
320667
Which of the following is not the application of adsorption?
1 De-ionisation of water
2 Gas masks
3 Surfactants
4 Hygroscopic nature of \(\mathrm{CaCl}_{2}\)
Explanation:
Hygroscopic nature of \(\mathrm{CaCl}_{2}\) is an example of absorption.
CHXII05:SURFACE CHEMISTRY
320668
Which of the following processes of metallurgy involves adsorption?
1 Magnetic separation method
2 Electrostatic separation method
3 Gravity separation method
4 Froth floatation process
Explanation:
Froth floatation method is used to concentrate sulphide ore which involves adsorption.
320664
Ostwald's process involves oxidation of ammonia to ' Y ' in the presence of platinum gauze. How many atoms of nitrogen is/are present in one molecule of product ' \({\mathrm{Y}}\) '?
1 1
2 0.5
3 3
4 \(1/4\)
Explanation:
Ostwald's process: \({\text{4N}}{{\text{H}}_{{\text{3(g)}}}}{\text{ + 5}}{{\text{O}}_{{\text{2(g)}}}}\xrightarrow{{{\text{Pt(s)}}}}{\text{4N}}{{\text{O}}_{{\text{(g)}}}}{\text{ + 6}}{{\text{H}}_{\text{2}}}{{\text{O}}_{{\text{(g)}}}}\) Product ' Y ' is nitric oxide (NO). \({\mathrm{\therefore}}\) No. of atoms of nitrogen in one molecule of nitric oxide \({\mathrm{=1}}\)
CHXII05:SURFACE CHEMISTRY
320665
Activated charcoal is used in separating noble gases in Dewar's method. In this process activated charcoal acts as
1 Absorber
2 Adsorbent
3 Adsorbate
4 Catalyst
Explanation:
In Dewar's method activated charcoal acts as adsorbent.
CHXII05:SURFACE CHEMISTRY
320666
Adsorption plays an important role in
1 Heterogeneous catalysis
2 Homogeneous catalysis
3 Positive catalysis
4 Negative catalysis
Explanation:
Adsorption plays an important role in heterogeneous catalysis.
CHXII05:SURFACE CHEMISTRY
320667
Which of the following is not the application of adsorption?
1 De-ionisation of water
2 Gas masks
3 Surfactants
4 Hygroscopic nature of \(\mathrm{CaCl}_{2}\)
Explanation:
Hygroscopic nature of \(\mathrm{CaCl}_{2}\) is an example of absorption.
CHXII05:SURFACE CHEMISTRY
320668
Which of the following processes of metallurgy involves adsorption?
1 Magnetic separation method
2 Electrostatic separation method
3 Gravity separation method
4 Froth floatation process
Explanation:
Froth floatation method is used to concentrate sulphide ore which involves adsorption.
320664
Ostwald's process involves oxidation of ammonia to ' Y ' in the presence of platinum gauze. How many atoms of nitrogen is/are present in one molecule of product ' \({\mathrm{Y}}\) '?
1 1
2 0.5
3 3
4 \(1/4\)
Explanation:
Ostwald's process: \({\text{4N}}{{\text{H}}_{{\text{3(g)}}}}{\text{ + 5}}{{\text{O}}_{{\text{2(g)}}}}\xrightarrow{{{\text{Pt(s)}}}}{\text{4N}}{{\text{O}}_{{\text{(g)}}}}{\text{ + 6}}{{\text{H}}_{\text{2}}}{{\text{O}}_{{\text{(g)}}}}\) Product ' Y ' is nitric oxide (NO). \({\mathrm{\therefore}}\) No. of atoms of nitrogen in one molecule of nitric oxide \({\mathrm{=1}}\)
CHXII05:SURFACE CHEMISTRY
320665
Activated charcoal is used in separating noble gases in Dewar's method. In this process activated charcoal acts as
1 Absorber
2 Adsorbent
3 Adsorbate
4 Catalyst
Explanation:
In Dewar's method activated charcoal acts as adsorbent.
CHXII05:SURFACE CHEMISTRY
320666
Adsorption plays an important role in
1 Heterogeneous catalysis
2 Homogeneous catalysis
3 Positive catalysis
4 Negative catalysis
Explanation:
Adsorption plays an important role in heterogeneous catalysis.
CHXII05:SURFACE CHEMISTRY
320667
Which of the following is not the application of adsorption?
1 De-ionisation of water
2 Gas masks
3 Surfactants
4 Hygroscopic nature of \(\mathrm{CaCl}_{2}\)
Explanation:
Hygroscopic nature of \(\mathrm{CaCl}_{2}\) is an example of absorption.
CHXII05:SURFACE CHEMISTRY
320668
Which of the following processes of metallurgy involves adsorption?
1 Magnetic separation method
2 Electrostatic separation method
3 Gravity separation method
4 Froth floatation process
Explanation:
Froth floatation method is used to concentrate sulphide ore which involves adsorption.