List of top Chemistry Questions on Redox reactions asked in NEET (UG)

Which of the following set of ions act as oxidising agents?

The oxidation states not shown by Mn in the given reaction is:
\( 3MnO_4^{2-} + 4H^+ \rightarrow 2MnO_4^- + MnO_2 + 2H_2O \)
A. +6
B. +2
C. +4
D. +7
E. +3
Choose the most appropriate answer from the options given below:

The reaction of aqueous KMnO₄ with H₂O₂ in acidic conditions gives:

In acidic medium, H₂O₂ changes Cr₂O₇^2- to CrO₅ which has two (-O-O-) bonds. Oxidation state of Cr in CrO₅ is

The pair of compounds that can exist together is:

In the reaction A is