Question

A brown ring is formed in the ring test for NO3-
ion. It is due to the formation of
(i) [Fe(H2O)5 (NO)]2+
(ii) FeSO4.NO2
(iii) [Fe(H2O)4(NO)2]2+
(iv) FeSO4.HNO3


NCERT Class XII
Chemistry - Exemplar Problems

Chapter 7. The p-block elements

Answer 1

1-[Fe(H2O)5(NO)]2+........is the answer

Answer 2

(i) [Fe(H2O)5 (NO)]2+ is the answer.................