Published by:
CGP EDU Academic Team
Published on: August 12, 2026
The diagram below shows the enthalpy change for the chemical reactions between 
and 
.
Select the correct statement.
A
The standard heat of formation of 
is 
.
is . B
The oxidation reaction of 
to 
is endothermic.
to is endothermic. C
The standard heat of formation of NO is 
.
. D
The oxidation reaction of NO to 
is endothermic.
is endothermic.
Text Solution
Verified by ExpertsThe correct answer is:
B
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