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Question:
Which of the following reactions increases production of dihydrogen from
synthesis gas?
(i) CH4 (g) + H2O (g) →(1270K Ni)CO (g) + 3H2 (g)
(ii) C (s) + H2O (g) → (1270K) CO (g) + H2 (g)
(iii) CO (g) + H2O (g)→ (Catalyst 673K) CO2 (g) + H2 (g)
(iv) C2H6 + 2H2O → (1270K Ni) 2CO + 5H2
Solution:
Option (iii) CO (g) + H2O (g)→ (Catalyst 673K) CO2 (g) + H2 (g) is the answer.