D-And F-Block Elements Ques 28

Question: Which statement is not correct

[MP PET 1999]

Options:

A) Potassium permanganate is a powerful oxidising substance

B) Potassium permanganate is a weaker oxidising substance than potassium dichromate

C) Potassium permanganate is a stronger oxidising substance than potassium dichromate

D) Potassium dichromate oxidises a secondary alcohol into a ketone

Show Answer

Answer:

Correct Answer: B

Solution:

In acidic medium, $ KMnO_4 $ gives 5 oxygen while acidic $ K_2Cr_2O_7 $ gives 3 oxygen.



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