Chemical Thermodynamics Question 243
Question: $ C+\frac{1}{2}O_2\to CO;,\Delta H=-42,kJ $
$ CO+\frac{1}{2}O_2\to CO_2;,\Delta H=-24,kJ $ The heat of formation of $ CO_2 $ is [CPMT 1996]
Options:
A) - 16 kJ
B) + 66 kJ
C) + 16 kJ
D) - 66 kJ
Show Answer
Answer:
Correct Answer: D
Solution:
eq. (i) + eq. (ii) gives the required result.