Dihydrogen
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CHXI09:HYDROGEN

315497 When hydrolith is treated with water it yields

1 \(\mathrm{\mathrm{H}_{2}}\)
2 \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\)
3 \(\mathrm{\mathrm{N}_{2}}\)
4 \(\mathrm{\mathrm{NaH}}\)
CHXI09:HYDROGEN

315498 Very pure hydrogen \(\mathrm{(99.9 \%)}\) can be made by which of the following processes?

1 Reaction of methane with steam
2 Mixing natural hydrocarbons of high molecular weight
3 Electrolysis of water
4 Reaction of salts like hydrides with water
CHXI09:HYDROGEN

315499 Hydrogen can be prepared by mixing steam and water gas at \(\mathrm{500^{\circ} \mathrm{C}}\) in the presence of \(\mathrm{\mathrm{Fe}_{2} \mathrm{O}_{3}}\) and \(\mathrm{\mathrm{Cr}_{2} \mathrm{O}_{3}}\). This process is called

1 Lane process
2 Hydrolith Method
3 Bosch process
4 None of these
CHXI09:HYDROGEN

315502 Which of the following reaction(s) represents commercial method for production of dihydrogen?
(i) \({\text{CO(g) + }}{{\text{H}}_{\text{2}}}{\text{O(g)}}\xrightarrow[{{\text{Catalyst}}}]{{{\text{673}}\,\,{\text{K}}}}{\text{C}}{{\text{O}}_{\text{2}}}{\text{(g) + }}{{\text{H}}_{\text{2}}}{\text{(g)}}\)
(ii) \({\text{2}}{{\text{H}}_{\text{2}}}{\text{O(l)}}\xrightarrow[{{\text{traces}}\,\,{\text{of}}\,\,{\text{acid/base}}}]{{{\text{electrolysis}}}}{\text{2}}{{\text{H}}_{\text{2}}}{\text{(g) + }}{{\text{O}}_{\text{2}}}{\text{(g)}}\)
(iii) \(\mathrm{\mathrm{Zn}+2 \mathrm{H}^{+} \rightarrow \mathrm{Zn}^{2+}+\mathrm{H}_{2}}\)
(iv) \({\text{C}}{{\text{H}}_{\text{4}}}{\text{(g) + }}{{\text{H}}_{\text{2}}}{\text{O(g)}}\xrightarrow[{{\text{Ni}}}]{{{\text{1270}}\,{\text{K}}}}{\text{CO(g) + 3}}{{\text{H}}_{\text{2}}}{\text{(g)}}\)

1 (i), (ii) and (iii)
2 (iii) only
3 (i), (ii) and (iv)
4 (ii), (iii) and (iv)
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CHXI09:HYDROGEN

315497 When hydrolith is treated with water it yields

1 \(\mathrm{\mathrm{H}_{2}}\)
2 \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\)
3 \(\mathrm{\mathrm{N}_{2}}\)
4 \(\mathrm{\mathrm{NaH}}\)
CHXI09:HYDROGEN

315498 Very pure hydrogen \(\mathrm{(99.9 \%)}\) can be made by which of the following processes?

1 Reaction of methane with steam
2 Mixing natural hydrocarbons of high molecular weight
3 Electrolysis of water
4 Reaction of salts like hydrides with water
CHXI09:HYDROGEN

315499 Hydrogen can be prepared by mixing steam and water gas at \(\mathrm{500^{\circ} \mathrm{C}}\) in the presence of \(\mathrm{\mathrm{Fe}_{2} \mathrm{O}_{3}}\) and \(\mathrm{\mathrm{Cr}_{2} \mathrm{O}_{3}}\). This process is called

1 Lane process
2 Hydrolith Method
3 Bosch process
4 None of these
CHXI09:HYDROGEN

315502 Which of the following reaction(s) represents commercial method for production of dihydrogen?
(i) \({\text{CO(g) + }}{{\text{H}}_{\text{2}}}{\text{O(g)}}\xrightarrow[{{\text{Catalyst}}}]{{{\text{673}}\,\,{\text{K}}}}{\text{C}}{{\text{O}}_{\text{2}}}{\text{(g) + }}{{\text{H}}_{\text{2}}}{\text{(g)}}\)
(ii) \({\text{2}}{{\text{H}}_{\text{2}}}{\text{O(l)}}\xrightarrow[{{\text{traces}}\,\,{\text{of}}\,\,{\text{acid/base}}}]{{{\text{electrolysis}}}}{\text{2}}{{\text{H}}_{\text{2}}}{\text{(g) + }}{{\text{O}}_{\text{2}}}{\text{(g)}}\)
(iii) \(\mathrm{\mathrm{Zn}+2 \mathrm{H}^{+} \rightarrow \mathrm{Zn}^{2+}+\mathrm{H}_{2}}\)
(iv) \({\text{C}}{{\text{H}}_{\text{4}}}{\text{(g) + }}{{\text{H}}_{\text{2}}}{\text{O(g)}}\xrightarrow[{{\text{Ni}}}]{{{\text{1270}}\,{\text{K}}}}{\text{CO(g) + 3}}{{\text{H}}_{\text{2}}}{\text{(g)}}\)

1 (i), (ii) and (iii)
2 (iii) only
3 (i), (ii) and (iv)
4 (ii), (iii) and (iv)
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CHXI09:HYDROGEN

315497 When hydrolith is treated with water it yields

1 \(\mathrm{\mathrm{H}_{2}}\)
2 \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\)
3 \(\mathrm{\mathrm{N}_{2}}\)
4 \(\mathrm{\mathrm{NaH}}\)
CHXI09:HYDROGEN

315498 Very pure hydrogen \(\mathrm{(99.9 \%)}\) can be made by which of the following processes?

1 Reaction of methane with steam
2 Mixing natural hydrocarbons of high molecular weight
3 Electrolysis of water
4 Reaction of salts like hydrides with water
CHXI09:HYDROGEN

315499 Hydrogen can be prepared by mixing steam and water gas at \(\mathrm{500^{\circ} \mathrm{C}}\) in the presence of \(\mathrm{\mathrm{Fe}_{2} \mathrm{O}_{3}}\) and \(\mathrm{\mathrm{Cr}_{2} \mathrm{O}_{3}}\). This process is called

1 Lane process
2 Hydrolith Method
3 Bosch process
4 None of these
CHXI09:HYDROGEN

315502 Which of the following reaction(s) represents commercial method for production of dihydrogen?
(i) \({\text{CO(g) + }}{{\text{H}}_{\text{2}}}{\text{O(g)}}\xrightarrow[{{\text{Catalyst}}}]{{{\text{673}}\,\,{\text{K}}}}{\text{C}}{{\text{O}}_{\text{2}}}{\text{(g) + }}{{\text{H}}_{\text{2}}}{\text{(g)}}\)
(ii) \({\text{2}}{{\text{H}}_{\text{2}}}{\text{O(l)}}\xrightarrow[{{\text{traces}}\,\,{\text{of}}\,\,{\text{acid/base}}}]{{{\text{electrolysis}}}}{\text{2}}{{\text{H}}_{\text{2}}}{\text{(g) + }}{{\text{O}}_{\text{2}}}{\text{(g)}}\)
(iii) \(\mathrm{\mathrm{Zn}+2 \mathrm{H}^{+} \rightarrow \mathrm{Zn}^{2+}+\mathrm{H}_{2}}\)
(iv) \({\text{C}}{{\text{H}}_{\text{4}}}{\text{(g) + }}{{\text{H}}_{\text{2}}}{\text{O(g)}}\xrightarrow[{{\text{Ni}}}]{{{\text{1270}}\,{\text{K}}}}{\text{CO(g) + 3}}{{\text{H}}_{\text{2}}}{\text{(g)}}\)

1 (i), (ii) and (iii)
2 (iii) only
3 (i), (ii) and (iv)
4 (ii), (iii) and (iv)
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CHXI09:HYDROGEN

315497 When hydrolith is treated with water it yields

1 \(\mathrm{\mathrm{H}_{2}}\)
2 \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\)
3 \(\mathrm{\mathrm{N}_{2}}\)
4 \(\mathrm{\mathrm{NaH}}\)
CHXI09:HYDROGEN

315498 Very pure hydrogen \(\mathrm{(99.9 \%)}\) can be made by which of the following processes?

1 Reaction of methane with steam
2 Mixing natural hydrocarbons of high molecular weight
3 Electrolysis of water
4 Reaction of salts like hydrides with water
CHXI09:HYDROGEN

315499 Hydrogen can be prepared by mixing steam and water gas at \(\mathrm{500^{\circ} \mathrm{C}}\) in the presence of \(\mathrm{\mathrm{Fe}_{2} \mathrm{O}_{3}}\) and \(\mathrm{\mathrm{Cr}_{2} \mathrm{O}_{3}}\). This process is called

1 Lane process
2 Hydrolith Method
3 Bosch process
4 None of these
CHXI09:HYDROGEN

315502 Which of the following reaction(s) represents commercial method for production of dihydrogen?
(i) \({\text{CO(g) + }}{{\text{H}}_{\text{2}}}{\text{O(g)}}\xrightarrow[{{\text{Catalyst}}}]{{{\text{673}}\,\,{\text{K}}}}{\text{C}}{{\text{O}}_{\text{2}}}{\text{(g) + }}{{\text{H}}_{\text{2}}}{\text{(g)}}\)
(ii) \({\text{2}}{{\text{H}}_{\text{2}}}{\text{O(l)}}\xrightarrow[{{\text{traces}}\,\,{\text{of}}\,\,{\text{acid/base}}}]{{{\text{electrolysis}}}}{\text{2}}{{\text{H}}_{\text{2}}}{\text{(g) + }}{{\text{O}}_{\text{2}}}{\text{(g)}}\)
(iii) \(\mathrm{\mathrm{Zn}+2 \mathrm{H}^{+} \rightarrow \mathrm{Zn}^{2+}+\mathrm{H}_{2}}\)
(iv) \({\text{C}}{{\text{H}}_{\text{4}}}{\text{(g) + }}{{\text{H}}_{\text{2}}}{\text{O(g)}}\xrightarrow[{{\text{Ni}}}]{{{\text{1270}}\,{\text{K}}}}{\text{CO(g) + 3}}{{\text{H}}_{\text{2}}}{\text{(g)}}\)

1 (i), (ii) and (iii)
2 (iii) only
3 (i), (ii) and (iv)
4 (ii), (iii) and (iv)
For More Updates join with Us