A) \[{{H}_{2}}\] is removed through occlusion with Pd
B) CO and \[{{H}_{2}}\]are fractionally separated using differences in their densities
C) CO is removed by absorption in aq. \[\text{C}{{\text{u}}_{\text{2}}}\text{C}{{\text{l}}_{\text{2}}}\] solution
D) CO is oxidised to \[\text{C}{{\text{O}}_{2}}\]with steam in the presence of a catalyst followed by absorption of \[C{{O}_{2}}\]in alkali
Correct Answer: D
Solution :
CO is first oxidised to \[\text{C}{{\text{O}}_{\text{2}}}\]with steam followed by absorption of \[\text{C}{{\text{O}}_{\text{2}}}\] in alkali \[\underbrace{\text{CO+}{{\text{H}}_{\text{2}}}}_{\text{Watergas}}\text{+}\underset{\text{Steam}}{\mathop{{{\text{H}}_{\text{2}}}\text{O}}}\,\xrightarrow{\text{Catalyst}}\underset{\text{N}{{\text{a}}_{\text{2}}}\text{C}{{\text{O}}_{\text{3}}}\text{+}{{\text{H}}_{\text{2}}}O}{\mathop{\underset{\text{2NaOH}\downarrow \text{(alkali)}}{\mathop{\text{C}{{\text{O}}_{\text{2}}}\text{+2}{{\text{H}}_{\text{2}}}}}\,}}\,\]
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