Question

Which of the following is/are correct regarding potassium dichromate?

• A. act as a self-indicator
• B. relatively weaker oxidising agent than potassium permanganate
• C. External redox indicator are used in titration
• D. (b) and (c) above.

Answer 1

The correct option is D (b) and (c) above.

potassium dichromate donot act as a self-indicator.
relatively weaker oxidising agent than potassium permanganate.
External redox indicator are used in titration as there is no observable colour change.