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QJEEM08Ch9407: JEE Main 2008 Chemistry - Class 11 JEEM08Ch9407 Solution: In context with the industrial preparation of hydrogen from…

In context with the industrial preparation of hydrogen from water gas (CO + H₂), which of the following is the correct statement?

Multiple Choice Options

A CO and H2 are fractionally separated using differences in their densities
B CO is removed by absorption in aqueous Cu2Cl2 solution
C H2 is removed through occlusion with Pd
D CO is oxidised to CO2 with steam in the presence of a catalyst followed by absorption of CO2 in alkali

Step-by-Step Verified Solution

On the industrial scale hydrogen is prepared from water gas according to following reaction sequence

\underset{w a t e r g a s}{\underset{⏟}{C O + H_{2}}} + \underset{(s t e a m)}{\underset{⏟}{H_{2} O}} \overset{c a t a l y s t}{⟶} C O_{2} + 2 H_{2}

\,\,\,\,\,\,\,\,\mathrel{\mathop{\kern0pt\longrightarrow}\limits_{\left( {alkali} \right)}^{2NaOH}} N{a_2}C{O_3} + {H_2}O

From the above it is clear that

CO

is first oxidised to

C{O_2}

which is then ansorbed in

NaOH.

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