Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The redox reaction among the following is
A
2 NaOH + C1 2 
NaCl + NaOCl + H 2 O
NaCl + NaOCl + H 2 O
B
formation of ozone from atmospheric oxygen in the presence of sunlight
C
reaction of [Co(H 2 O) 6 ]C1 3 with AgNO 3
D
reaction of H 2 SO 4 with NaOH
Text Solution
Verified by ExpertsThe correct answer is:
A
2 NaOH + C1 2 
NaCl + NaOCl + H 2 O
2NaOH + Cl 2 
NaCl + NaOCl + H 2 O
Here C1 2 is undergoing oxidation as well as reduction.In rest of these reactions oxidation states are not changing so these are not redox reactions.
3O 2 
2O 3
2NaOH + H 2 SO 4 
Na 2 SO 4 + 2H 2 O
AgNO 3 + NaCl 
NaNO 3 + AgCl
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