A) 668
B) 112
C) -112
D) -668
Correct Answer: C
Solution :
[c] \[C+{{O}_{2}}\to C{{O}_{2}};\Delta H=-290kJ\] (1) \[CO+\frac{1}{2}{{O}_{2}}\to C{{O}_{2}};\Delta H=-278\,kJ\] (2) By eq. (1) and eq. (2), we get \[C+\frac{1}{2}{{O}_{2}}\to CO;\Delta H=-112\,kJ\]
You need to login to perform this action.
You will be redirected in
3 sec
