TS EAMCET · Chemistry · Practical Chemistry

Brown ring test is to detect the presence of

A ${NO}_{3}^{-}$
B ${Cl}^{-}$
C $I^{-}$
D ${Br}^{-}$

Verified Solution

Answer & Solution

Correct Answer

(A) ${NO}_{3}^{-}$

Step-by-step Solution

Detailed explanation

To determine the presence of nitrate ion in any solution, a chemical test called brown ring is conducted. Almost all nitrates dissolve in water and therefore determining the presence of nitrate through wet chemistry is not easy when compared to conducting tests for other anions.…

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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