315480 Consider the following reactions:
I. \(\mathrm{\mathrm{H}_{2}(\mathrm{~g})+\mathrm{X}_{2}(\mathrm{~g}) \rightarrow 2 \mathrm{HX}(\mathrm{g})(\mathrm{X}=\mathrm{F}, \mathrm{Cl}, \mathrm{Br}, \mathrm{I})}\)
II.\({\text{2}}{{\text{H}}_{\text{2}}}{\text{(g) + }}{{\text{O}}_{\text{2}}}{\text{(g)}}\xrightarrow[{{\text{Heating}}}]{{{\text{Catalyst}}}}{\text{2}}{{\text{H}}_{\text{2}}}{\text{O(l)}}\)
III. \({\text{3}}{{\text{H}}_{\text{2}}}{\text{(g) + }}{{\text{N}}_{\text{2}}}{\text{(g)}}\xrightarrow[{{\text{Fe}}}]{{{\text{673k,200}}\,\,{\text{atm}}}}{\text{2N}}{{\text{H}}_{\text{3}}}{\text{(g)}}\)
IV. \(\mathrm{\mathrm{H}_{2}(\mathrm{~g})+2 \mathrm{M}(\mathrm{g}) \rightarrow 2 \mathrm{MH}(\mathrm{s}) \quad(\mathrm{M}=}\) alkali metal \(\mathrm{)}\)
The correct reactions are

315481 Which of the following ions can be replaced by \(\mathrm{\mathrm{H}^{+}}\)ions when \(\mathrm{\mathrm{H}_{2}}\) gas is bubbled through the solutions containing these ions?

315482 Hydrogen combines with other elements by

315483 Oxidation state of hydrogen is zero in

315480 Consider the following reactions:
I. \(\mathrm{\mathrm{H}_{2}(\mathrm{~g})+\mathrm{X}_{2}(\mathrm{~g}) \rightarrow 2 \mathrm{HX}(\mathrm{g})(\mathrm{X}=\mathrm{F}, \mathrm{Cl}, \mathrm{Br}, \mathrm{I})}\)
II.\({\text{2}}{{\text{H}}_{\text{2}}}{\text{(g) + }}{{\text{O}}_{\text{2}}}{\text{(g)}}\xrightarrow[{{\text{Heating}}}]{{{\text{Catalyst}}}}{\text{2}}{{\text{H}}_{\text{2}}}{\text{O(l)}}\)
III. \({\text{3}}{{\text{H}}_{\text{2}}}{\text{(g) + }}{{\text{N}}_{\text{2}}}{\text{(g)}}\xrightarrow[{{\text{Fe}}}]{{{\text{673k,200}}\,\,{\text{atm}}}}{\text{2N}}{{\text{H}}_{\text{3}}}{\text{(g)}}\)
IV. \(\mathrm{\mathrm{H}_{2}(\mathrm{~g})+2 \mathrm{M}(\mathrm{g}) \rightarrow 2 \mathrm{MH}(\mathrm{s}) \quad(\mathrm{M}=}\) alkali metal \(\mathrm{)}\)
The correct reactions are

315481 Which of the following ions can be replaced by \(\mathrm{\mathrm{H}^{+}}\)ions when \(\mathrm{\mathrm{H}_{2}}\) gas is bubbled through the solutions containing these ions?

315482 Hydrogen combines with other elements by

315483 Oxidation state of hydrogen is zero in

315480 Consider the following reactions:
I. \(\mathrm{\mathrm{H}_{2}(\mathrm{~g})+\mathrm{X}_{2}(\mathrm{~g}) \rightarrow 2 \mathrm{HX}(\mathrm{g})(\mathrm{X}=\mathrm{F}, \mathrm{Cl}, \mathrm{Br}, \mathrm{I})}\)
II.\({\text{2}}{{\text{H}}_{\text{2}}}{\text{(g) + }}{{\text{O}}_{\text{2}}}{\text{(g)}}\xrightarrow[{{\text{Heating}}}]{{{\text{Catalyst}}}}{\text{2}}{{\text{H}}_{\text{2}}}{\text{O(l)}}\)
III. \({\text{3}}{{\text{H}}_{\text{2}}}{\text{(g) + }}{{\text{N}}_{\text{2}}}{\text{(g)}}\xrightarrow[{{\text{Fe}}}]{{{\text{673k,200}}\,\,{\text{atm}}}}{\text{2N}}{{\text{H}}_{\text{3}}}{\text{(g)}}\)
IV. \(\mathrm{\mathrm{H}_{2}(\mathrm{~g})+2 \mathrm{M}(\mathrm{g}) \rightarrow 2 \mathrm{MH}(\mathrm{s}) \quad(\mathrm{M}=}\) alkali metal \(\mathrm{)}\)
The correct reactions are

315481 Which of the following ions can be replaced by \(\mathrm{\mathrm{H}^{+}}\)ions when \(\mathrm{\mathrm{H}_{2}}\) gas is bubbled through the solutions containing these ions?

315482 Hydrogen combines with other elements by

315483 Oxidation state of hydrogen is zero in

315480 Consider the following reactions:
I. \(\mathrm{\mathrm{H}_{2}(\mathrm{~g})+\mathrm{X}_{2}(\mathrm{~g}) \rightarrow 2 \mathrm{HX}(\mathrm{g})(\mathrm{X}=\mathrm{F}, \mathrm{Cl}, \mathrm{Br}, \mathrm{I})}\)
II.\({\text{2}}{{\text{H}}_{\text{2}}}{\text{(g) + }}{{\text{O}}_{\text{2}}}{\text{(g)}}\xrightarrow[{{\text{Heating}}}]{{{\text{Catalyst}}}}{\text{2}}{{\text{H}}_{\text{2}}}{\text{O(l)}}\)
III. \({\text{3}}{{\text{H}}_{\text{2}}}{\text{(g) + }}{{\text{N}}_{\text{2}}}{\text{(g)}}\xrightarrow[{{\text{Fe}}}]{{{\text{673k,200}}\,\,{\text{atm}}}}{\text{2N}}{{\text{H}}_{\text{3}}}{\text{(g)}}\)
IV. \(\mathrm{\mathrm{H}_{2}(\mathrm{~g})+2 \mathrm{M}(\mathrm{g}) \rightarrow 2 \mathrm{MH}(\mathrm{s}) \quad(\mathrm{M}=}\) alkali metal \(\mathrm{)}\)
The correct reactions are

315481 Which of the following ions can be replaced by \(\mathrm{\mathrm{H}^{+}}\)ions when \(\mathrm{\mathrm{H}_{2}}\) gas is bubbled through the solutions containing these ions?

315482 Hydrogen combines with other elements by

315483 Oxidation state of hydrogen is zero in