Q. Which statement is not correct?
A) Potassium dichromate oxidises a secondary alcohol into a ketone
B) Potassium permanagnate is a weaker oxidising substance than potassium dichromate
C) Potassium permanganate is a stronger oxidizing substance
D) All of the above statement are correct
Explanation
(b)
In acidic medium, $KMnO_{4}$ gives 5 oxygen while, acidic $K_{2}Cr_{2}O_{7}$ gives 3 oxygen
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.