NEETChemistryRedox Reactions
What is the purpose of using an indicator substance in a titration involving K 2 Cr 2 O 7 ?
Options
- ATo reduce K 2 Cr 2 O 7
- BTo oxidize K 2 Cr 2 O 7
- CTo signal the end point of the titration
- DTo neutralize K 2 Cr 2 O 7
Correct answer
C. To signal the end point of the titration
Step-by-step solution
The indicator substance is used to signal the end point of the titration by undergoing a dramatic color change.