Questions
A brown ring is formed in the ring test for No ion. It is due to the formation of:
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a
[Fe(H2O)5 (NO)]2+
b
FeSO4.NO2
c
[Fe(H2O)4 .(NO)2]2+
d
FeSO4.HNO3
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Correct option is A
NO2- +3 Fe+2 +4H+→Fe+3 +NO +2H2O [Fe(H2O)6]+2 +NO→[Fe(H2O)5No]+2 +H2OSimilar Questions
The reaction of zinc with dilute (hot) and concentrated nitric acid respectively, produces :
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