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(D) On the industrial scale,hydrogen is prepared from water gas using the water-gas shift reaction:$CO + H_2O(g) \xrightarrow{	ext{catalyst}} CO_2 +

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$CO$ is oxidised to $CO_2$ with steam in the presence of a catalyst followed by absorption of $CO_2$ in alkali

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(D) On the industrial scale,hydrogen is prepared from water gas using the water-gas shift reaction:$CO + H_2O(g) \xrightarrow{	ext{catalyst}} CO_2 + H_2$The resulting $CO_2$ is removed by scrubbing the mixture with an alkali solution (e.g.,$NaOH$ or $K_2CO_3$):$CO_2 + 2NaOH \longrightarrow Na_2CO_3 + H_2O$Thus,$CO$ is oxidized to $CO_2$ using steam in the presence of a catalyst,and the $CO_2$ is subsequently removed by absorption in an alkali.

List-$I$ (Type of hydride)	List-$II$ (Example)
$(A)$ Electron precise	$(i)$ $SiH_4$
$(B)$ Saline	$(ii)$ $H_2O$
$(C)$ Electron deficient	$(iii)$ $MgH_2$
$(D)$ Electron rich	$(iv)$ $B_2H_6$

In context with the industrial preparation of hydrogen from water gas $(CO + H_2)$,which of the following is the correct statement?

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Match the following types of hydrides in List-$I$ with their examples in List-$II$.
List-$I$ (Type of hydride) List-$II$ (Example)
$(A)$ Electron precise $(i)$ $SiH_4$
$(B)$ Saline $(ii)$ $H_2O$
$(C)$ Electron deficient $(iii)$ $MgH_2$
$(D)$ Electron rich $(iv)$ $B_2H_6$

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