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A brown ring is formed in the ring test for NO3– ion. It is due to the formation of
A brown ring is formed in the ring test for NO3– ion. It is due to the formation of
CBSE | Chemistry | Class 12 | Exercise 1 | NCERT Exemplar | The P-Block Elements
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+

(iv) FeSO4.HNO3

 

Correct Answer: (i) [Fe(H2O)5 (NO)]2+

Explanation:  A brown ring is formed in the ring test for NO3– ion. It is due to the formation of [Fe(H2O)5 (NO)]2+

i

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