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Question

Which of the following statement(s) is/are correct about the water-gas shift reaction which is used in the commercial preparation of hydrogen gas?
  1. It involves the separation of CO and H2 by solvent extraction method
  2. It involves the selective oxidation of CO of water gas to CO2 with the help of steam in the presence of iron chromate as catalyst
  3. It involves the absorption of CO in aqueous copper (I) chloride solution
  4. It involves the removal of H2 through occlusion with Pd

A
It involves the separation of CO and H2 by solvent extraction method
B
It involves the removal of H2 through occlusion with Pd
C
It involves the absorption of CO in aqueous copper (I) chloride solution
D
It involves the selective oxidation of CO of water gas to CO2 with the help of steam in the presence of iron chromate as catalyst
Solution
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CO(g)+H2(g)+H2O(g)FeCrO4−−−−673K2H2(g)+CO2(g)

Water-gas shift reaction involves the selective oxidation of CO of water gas to CO2 with the help of steam, in the presence of iron chromate as catalyst.

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