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NEET
Exam
NEET
Subject
Chemistry
Chapter
Redox Reactions

NEET · Chemistry · Redox Reactions

What is the role of K 2 Cr 2 O 7 when it is not a self-indicator in...

What is the role of K2Cr2O7 when it is not a self-indicator in a titration?

Options

  1. AIt acts as a reducing agent
  2. BIt acts as a pH buffer
  3. CIt acts as a catalyst
  4. DIt oxidizes an indicator substance

Correct answer

D. It oxidizes an indicator substance

Step-by-step solution

K2Cr2O7, when not a self-indicator, oxidizes an indicator substance to produce a color change at the end point of the titration.
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