NEETChemistryRedox Reactions
What is the role of K 2 Cr 2 O 7 when it is not a self-indicator in a titration?
Options
- AIt acts as a reducing agent
- BIt acts as a pH buffer
- CIt acts as a catalyst
- DIt oxidizes an indicator substance
Correct answer
D. It oxidizes an indicator substance
Step-by-step solution
K 2 Cr 2 O 7 , when not a self-indicator, oxidizes an indicator substance to produce a color change at the end point of the titration.