Q. Which of the following is not oxidised by O_{3}?
A) KI
B) FeSO_{4}
C) KMnO_{4}
D) K_{2}MnO_{4}
Explanation
(c)
(a) [image:7_image55.emf]
(b) [image:7_image56.emf]
( c) KMnO_{4}+O_{3}⟶no reaction
Because in KMnO_{4,} oxidation state of Mn is +7. Hence, it is the highest oxidation state of Mn, so KMnO_{4} is not oxidized by ozone.
(d )
[image:7_image57.emf]
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.