The dand fblock elements - Result Question 52
####52. Which of the following combines with $Fe$ (II) ions to form a brown complex?
(a) $NO$
(b) $N_2 O$
(c) $N_2 O_3$
(d) $N_2 O_5$
[2000]
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Solution:
- (a) We know that when nitrogen oxide (NO) combines with $Fe$ (II) ions, a brown complex is formed. This reaction is called brown ring test