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Question
Which of the following reactions increases production of dihydrogen from synthesis gas?
Options
\[\ce{CH4 (g) + H2O (g) ->[1270 K][Ni] CO (g) + 3H2 (g)}\]
\[\ce{C (s) + H2O (g) ->[1270 K] CO (g) + H2 (g)}\]
\[\ce{CO (g) + H2O (g) ->[673 K][Catalyst] CO2 (g) + H2 (g)}\]
\[\ce{C2H6 + 2H2O ->[1270 K][Ni] 2CO + 5H2}\]
Solution
\[\ce{CO (g) + H2O (g) ->[673 K][Catalyst] CO2 (g) + H2 (g)}\]
Explanation:
The production of dihydrogen can be increased by reacting carbon monoxide of syngas mixtures with steam in the presence of iron chromate as catalyst.
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| Column I | Column II |
| (i) \[\ce{H}\] | (a) Used in the name of perhydrol. |
| (ii) \[\ce{H2}\] | (b) Can be reduced to dihydrogen by \[\ce{NaH}\]. |
| (iii) \[\ce{H2O}\] | (c) Can be used in hydroformylation of olefin. |
| (iv) \[\ce{H2O2}\] | (d) Can be used in cutting and welding. |
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