1.

Assertion: NO_(3)^(-) ion can not be detected by brown ring test in presence of NO_(2)^(-) ion. Reason: Both NO_(2)^(-) and NO_(3)^(-) ions evolve brown NO_(2) gas with conc. H_(2)SO_(4) acid.

Answer»

If ASSERTION is true but the reason is FALSE
If assertion is false but reason is true
If both assertion and reason are true and reason is the CORRECT EXPLANATION of assertion
If OTH assertion and reason are true but reason is not the correct explanation of assertion

Answer :C


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