Chemistry - Complete P-block Question with Solution | TestHub
ChemistryComplete P-blockp-Block 15,16Medium2 minQB
ChemistryMediumsingle choice
For the estimation of , it is allowed to react with excess of KI solution buffered with a
Options:
Answer:
A
Solution:
The estimation of O₃ involves its reaction with excess KI in a neutral or weakly acidic buffer. A borate buffer (pH 9-10) is commonly used to maintain the pH, preventing side reactions and ensuring accurate titration of the liberated iodine.
Reaction: O₃ + 2I⁻ + H₂O → O₂ + I₂ + 2OH⁻
Stream:JEESubject:ChemistryTopic:Complete P-blockSubtopic:p-Block 15,16
⏱ 2mℹ️ Source: QB
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