What is the mole ratio of hydrogen to carbon dioxide in the process of catalytic hydrogenation of carbon monoxide?

What is the mole ratio of hydrogen to carbon dioxide in the process of

1.	What is the mole ratio of hydrogen to carbon dioxide in the process of catalytic hydrogenation of carbon monoxide?
A.	1.25
B.	2.25
C.	3.25
D.	4.25
Answer» C. 3.25