AP EAMCET · Chemistry · Environmental Chemistry
The COD of water sample is determined using
- A \(50 \% \mathrm{H}_2 \mathrm{SO}_4, \mathrm{~K}_2 \mathrm{Cr}_2 \mathrm{O}_7\)
- B \(50 \% \mathrm{NaOH}, \mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7\)
- C \(50 \% \mathrm{CH}_3 \mathrm{COOH}, \mathrm{KMnO}_4\)
- D \(50 \% \mathrm{H}_2 \mathrm{SO}_4, \mathrm{FeSO}_4\)
Answer & Solution
Correct Answer
(A) \(50 \% \mathrm{H}_2 \mathrm{SO}_4, \mathrm{~K}_2 \mathrm{Cr}_2 \mathrm{O}_7\)
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