Chemistry · 2022
JEE Main · 25 June 2022, Shift 2 · Q72
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Polluted water may have a value of…
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.Assertion A: Polluted water may have a value of BOD of the order of $\displaystyle 17$ ppm.
Reason R: BOD is a measure of oxygen required to oxidise both the bio-degradable and non-biodegradable organic material in water.In the light of the above statements, choose the most appropriate answer from the options given below.
Official answer
(3)
$\displaystyle \mathbf{A}$ is correct but $\displaystyle \mathbf{R}$ is not correct.
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JEE Main 2022 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.