2H2(g) + O2(g) → 2H2O(g) ΔH = -ve

A. it is unaffected
B. it becomes zero
C. it decreases
D. it increases

Correct Answer:

Option C – it decreases

SEE ALSO  When iron is exposed to moist air; it gradually rusts. This is due to the formation of?

Copyright warnings! Do not copy.