Dihydrogen
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NEET DIGITAL LIBRARY
CHXI09:HYDROGEN

315493 Hydrogen will not reduce

1 heated \(\mathrm{\mathrm{CuO}}\)
2 heated \(\mathrm{\mathrm{Fe}_{2} \mathrm{O}_{3}}\)
3 heated \(\mathrm{\mathrm{SnO}_{2}}\)
4 heated \(\mathrm{\mathrm{Al}_{2} \mathrm{O}_{3}}\)
CHXI09:HYDROGEN

315494 Hydrogen is prepared from \(\mathrm{H}_{2} \mathrm{O}\) by adding

1 \(\mathrm{Ca}\), which acts as reducing agent
2 Al, which acts as oxidising agent
3 Ag, which acts as reducing agent
4 Au, which acts as oxidising agent
CHXI09:HYDROGEN

315495 Which of the following reactions increases production of dihydrogen from synthesis gas?

1 \({\text{C}}{{\text{H}}_{\text{4}}}{\text{(g) + }}{{\text{H}}_{\text{2}}}{\text{O(g)}}\xrightarrow[{{\text{Ni}}}]{{{\text{1270 K}}}}{\text{CO(g) + 3}}{{\text{H}}_{\text{2}}}{\text{(g)}}\)
2 \({\text{C(s) + }}{{\text{H}}_{\text{2}}}{\text{O(g)}}\xrightarrow{{{\text{1270 K}}}}{\text{CO(g) + }}{{\text{H}}_{\text{2}}}{\text{(g)}}\)
3 \({\text{CO(g) + }}{{\text{H}}_{\text{2}}}{\text{O(g)}}\xrightarrow[{{\text{Catalyst}}}]{{{\text{673 K}}}}{\text{C}}{{\text{O}}_{\text{2}}}{\text{(g) + }}{{\text{H}}_{\text{2}}}{\text{(g)}}\)
4 \({{\text{C}}_{\text{2}}}{{\text{H}}_{\text{6}}}{\text{ + 2}}{{\text{H}}_{\text{2}}}{\text{O}}\xrightarrow[{{\text{Ni}}}]{{{\text{1270 K}}}}{\text{2CO + 5}}{{\text{H}}_{\text{2}}}\)
NCERT Exemplar
CHXI09:HYDROGEN

315496 When different metals like Zn, Sn, Fe are added to dilute sulphuric acid, same gas, which burns explosively in air, is evolved. The gas is

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

315493 Hydrogen will not reduce

1 heated \(\mathrm{\mathrm{CuO}}\)
2 heated \(\mathrm{\mathrm{Fe}_{2} \mathrm{O}_{3}}\)
3 heated \(\mathrm{\mathrm{SnO}_{2}}\)
4 heated \(\mathrm{\mathrm{Al}_{2} \mathrm{O}_{3}}\)
CHXI09:HYDROGEN

315494 Hydrogen is prepared from \(\mathrm{H}_{2} \mathrm{O}\) by adding

1 \(\mathrm{Ca}\), which acts as reducing agent
2 Al, which acts as oxidising agent
3 Ag, which acts as reducing agent
4 Au, which acts as oxidising agent
CHXI09:HYDROGEN

315495 Which of the following reactions increases production of dihydrogen from synthesis gas?

1 \({\text{C}}{{\text{H}}_{\text{4}}}{\text{(g) + }}{{\text{H}}_{\text{2}}}{\text{O(g)}}\xrightarrow[{{\text{Ni}}}]{{{\text{1270 K}}}}{\text{CO(g) + 3}}{{\text{H}}_{\text{2}}}{\text{(g)}}\)
2 \({\text{C(s) + }}{{\text{H}}_{\text{2}}}{\text{O(g)}}\xrightarrow{{{\text{1270 K}}}}{\text{CO(g) + }}{{\text{H}}_{\text{2}}}{\text{(g)}}\)
3 \({\text{CO(g) + }}{{\text{H}}_{\text{2}}}{\text{O(g)}}\xrightarrow[{{\text{Catalyst}}}]{{{\text{673 K}}}}{\text{C}}{{\text{O}}_{\text{2}}}{\text{(g) + }}{{\text{H}}_{\text{2}}}{\text{(g)}}\)
4 \({{\text{C}}_{\text{2}}}{{\text{H}}_{\text{6}}}{\text{ + 2}}{{\text{H}}_{\text{2}}}{\text{O}}\xrightarrow[{{\text{Ni}}}]{{{\text{1270 K}}}}{\text{2CO + 5}}{{\text{H}}_{\text{2}}}\)
NCERT Exemplar
CHXI09:HYDROGEN

315496 When different metals like Zn, Sn, Fe are added to dilute sulphuric acid, same gas, which burns explosively in air, is evolved. The gas is

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

315493 Hydrogen will not reduce

1 heated \(\mathrm{\mathrm{CuO}}\)
2 heated \(\mathrm{\mathrm{Fe}_{2} \mathrm{O}_{3}}\)
3 heated \(\mathrm{\mathrm{SnO}_{2}}\)
4 heated \(\mathrm{\mathrm{Al}_{2} \mathrm{O}_{3}}\)
CHXI09:HYDROGEN

315494 Hydrogen is prepared from \(\mathrm{H}_{2} \mathrm{O}\) by adding

1 \(\mathrm{Ca}\), which acts as reducing agent
2 Al, which acts as oxidising agent
3 Ag, which acts as reducing agent
4 Au, which acts as oxidising agent
CHXI09:HYDROGEN

315495 Which of the following reactions increases production of dihydrogen from synthesis gas?

1 \({\text{C}}{{\text{H}}_{\text{4}}}{\text{(g) + }}{{\text{H}}_{\text{2}}}{\text{O(g)}}\xrightarrow[{{\text{Ni}}}]{{{\text{1270 K}}}}{\text{CO(g) + 3}}{{\text{H}}_{\text{2}}}{\text{(g)}}\)
2 \({\text{C(s) + }}{{\text{H}}_{\text{2}}}{\text{O(g)}}\xrightarrow{{{\text{1270 K}}}}{\text{CO(g) + }}{{\text{H}}_{\text{2}}}{\text{(g)}}\)
3 \({\text{CO(g) + }}{{\text{H}}_{\text{2}}}{\text{O(g)}}\xrightarrow[{{\text{Catalyst}}}]{{{\text{673 K}}}}{\text{C}}{{\text{O}}_{\text{2}}}{\text{(g) + }}{{\text{H}}_{\text{2}}}{\text{(g)}}\)
4 \({{\text{C}}_{\text{2}}}{{\text{H}}_{\text{6}}}{\text{ + 2}}{{\text{H}}_{\text{2}}}{\text{O}}\xrightarrow[{{\text{Ni}}}]{{{\text{1270 K}}}}{\text{2CO + 5}}{{\text{H}}_{\text{2}}}\)
NCERT Exemplar
CHXI09:HYDROGEN

315496 When different metals like Zn, Sn, Fe are added to dilute sulphuric acid, same gas, which burns explosively in air, is evolved. The gas is

1 \(\mathrm{\mathrm{O}_{2}}\)
2 \(\mathrm{\mathrm{N}_{2}}\)
3 \(\mathrm{\mathrm{Cl}_{2}}\)
4 \(\mathrm{\mathrm{H}_{2}}\)
NEET DIGITAL LIBRARY
CHXI09:HYDROGEN

315493 Hydrogen will not reduce

1 heated \(\mathrm{\mathrm{CuO}}\)
2 heated \(\mathrm{\mathrm{Fe}_{2} \mathrm{O}_{3}}\)
3 heated \(\mathrm{\mathrm{SnO}_{2}}\)
4 heated \(\mathrm{\mathrm{Al}_{2} \mathrm{O}_{3}}\)
CHXI09:HYDROGEN

315494 Hydrogen is prepared from \(\mathrm{H}_{2} \mathrm{O}\) by adding

1 \(\mathrm{Ca}\), which acts as reducing agent
2 Al, which acts as oxidising agent
3 Ag, which acts as reducing agent
4 Au, which acts as oxidising agent
CHXI09:HYDROGEN

315495 Which of the following reactions increases production of dihydrogen from synthesis gas?

1 \({\text{C}}{{\text{H}}_{\text{4}}}{\text{(g) + }}{{\text{H}}_{\text{2}}}{\text{O(g)}}\xrightarrow[{{\text{Ni}}}]{{{\text{1270 K}}}}{\text{CO(g) + 3}}{{\text{H}}_{\text{2}}}{\text{(g)}}\)
2 \({\text{C(s) + }}{{\text{H}}_{\text{2}}}{\text{O(g)}}\xrightarrow{{{\text{1270 K}}}}{\text{CO(g) + }}{{\text{H}}_{\text{2}}}{\text{(g)}}\)
3 \({\text{CO(g) + }}{{\text{H}}_{\text{2}}}{\text{O(g)}}\xrightarrow[{{\text{Catalyst}}}]{{{\text{673 K}}}}{\text{C}}{{\text{O}}_{\text{2}}}{\text{(g) + }}{{\text{H}}_{\text{2}}}{\text{(g)}}\)
4 \({{\text{C}}_{\text{2}}}{{\text{H}}_{\text{6}}}{\text{ + 2}}{{\text{H}}_{\text{2}}}{\text{O}}\xrightarrow[{{\text{Ni}}}]{{{\text{1270 K}}}}{\text{2CO + 5}}{{\text{H}}_{\text{2}}}\)
NCERT Exemplar
CHXI09:HYDROGEN

315496 When different metals like Zn, Sn, Fe are added to dilute sulphuric acid, same gas, which burns explosively in air, is evolved. The gas is

1 \(\mathrm{\mathrm{O}_{2}}\)
2 \(\mathrm{\mathrm{N}_{2}}\)
3 \(\mathrm{\mathrm{Cl}_{2}}\)
4 \(\mathrm{\mathrm{H}_{2}}\)
Join With Us for More Updates