question_answer 1)

    How can production of hydrogen from water gas be increased by using water gas shift reaction?

Answer:

    The reaction of conversion of carbon monoxide (present in water gas) into carbon dioxide and hydrogen is termed water gas shift reaction. Water gas is mixed with twice of its volume of steam and passed over a mixture of ferric oxide and chromium oxide heated to\[500{}^\circ C\]. The mixture acts as acatalyst and helps in the conversion of carbon monoxide into carbon dioxide. Thus, production of hydrogen can be increased by this reaction. \[\underbrace{{{H}_{2}}+CO}_{Water\,gas}+\underset{Steam}{\mathop{{{H}_{2}}O}}\,\xrightarrow[500{{\,}^{{}^\circ }}C]{Catayst}C{{O}_{2}}+2{{H}_{2}}\]