IIT JAMChemistryAnalytical ChemistryMultiple correct+2 / −0
The true statement(s) regarding the brown ring test carried out in the laboratory for the detection of NO₃⁻ is/are
- ABrown ring is due to the formation of the iron nitrosyl complex.
- BConcentrated nitric acid is used for the test.
- CThe complex formed in the reaction is [Fe(CN)₅NO]²⁻.
- DThe brown colored complex is paramagnetic in nature.
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Correct answer: A, D
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