Chemistry
NULL
Medium
Question
The composition of brown ring in nitrate test is_________________?
A
FeSO4.NO
✓ Official correct answer
B
FeSO4.NO2
C
FeSO4.NO3
D
FeSO4.N2O
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A
FeSO4.NO
No member explanations yet for this option.
B
FeSO4.NO2
No member explanations yet for this option.
C
FeSO4.NO3
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D
FeSO4.N2O
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Explanation
The brown ring formed in the classic nitrate test has the composition FeSO4.NO, resulting from the formation of a nitroso-iron complex.
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