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Need clarity, kindly explain! - Hydrogen - JEE Main

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

  • Option 1)

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

  • Option 2)

    CO and H_2  are fractionally separated using differences in their densities

  • Option 3)

    CO  is removed by absorption in aqueous  Cu_2Cl_2 solution

  • Option 4)

    H_2  is removed through occlusion with Pd

 
Answers (1)
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As we learnt in

Water Gas Shift Reaction -

Reaction of CO with water at 673 K in presence of catalyst.

- wherein

 

 


Option 1)

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

This  option is correct

Option 2)

CO and H_2  are fractionally separated using differences in their densities

This  option is incorrect

Option 3)

CO  is removed by absorption in aqueous  Cu_2Cl_2 solution

This  option is incorrect

Option 4)

H_2  is removed through occlusion with Pd

This  option is incorrect

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