Which of the following substances is formed when dihydrogen reacts with CO and H2O at 773 K in the presence of Fe2O3.Cr2O3 (catalyst)?
A
Methane
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B
only carbon dioxide
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C
both carbon dioxide and dihydrogen
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D
Carbon monoxide
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Solution
The correct option is C both carbon dioxide and dihydrogen water gas shift reaction H2(gas)+CO(gas)+H2O(gas)Fe2O3.Cr2O3−−−−−−−−→773KCO2+2H2 CO2 is dissolved in water under high pressure (20-25 atm) and the H2 left undissolved is collected.