Published by:
CGP EDU Academic Team
Published on: August 13, 2026
There is formation of H 2 O 2 in the upper atmosphere
H 2 O + O 
2OH 
H 2 O 2
Δ H = 72 kJ mol –1 E a = 77 kJ mol –1 E a for the bimolecular recombination of two OH radicals to form H 2 O and O is :
Text Solution
Verified by ExpertsThe correct answer is:
C
X(H 2 O 2 
H 2 O + O) = 77 – 72 = 5 kJ
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