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Hydrogen

Question
CBSEENCH11006887

What do you understand by the term:
water-gas shift reaction. 

Solution
The quantity of hydrogen in the syngas can be increased by reacting CO of syngas mixture with steam in the presence of iron chromate as a catalyst.
stack CO left parenthesis straight g right parenthesis space plus space straight H subscript 2 straight O left parenthesis straight g right parenthesis space with left parenthesis From space syngas right parenthesis below space rightwards arrow from FeCrO subscript 4 to 673 space straight K of space CO subscript 2 left parenthesis straight g right parenthesis space plus space straight H subscript 2 left parenthesis straight g right parenthesis
This reaction is called  the water-gas shift reaction. By this process, more hydrogen gas is prepared. This method is used for the production of 77% of industrial hydrogen.