Q. Which one 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) $N_{2}O_{5}$
Explanation
(a)
$FeSO_{4} + NO \rightarrow FeSO_{4} \bullet NO$
(brown)
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.