Question on: SS3 Chemistry - Analytical Chemistry I: Qualitative Analysis
When testing for the presence of nitrate ions (NO3-) in an unknown sample, which reagent produces brown ring formation at the junction of two liquid layers?
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A
Silver nitrate (AgNO3)
B
Barium chloride (BaCl2)
C
Iron(II) sulphate (FeSO4)
D
Sulfuric acid (H2SO4)
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Correct Option: D
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