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- Engineering
- Which of the following is a self-indicator?Option: 1 Methylene blueOption: 2 Cerric ions.</
- #Chemistry
- #Engineering
- #Redox Reaction and Electrochemistry
- #Joint Entrance Examination Main
- #Class 11
Which of the following is a self-indicator?
Option: 1
Methylene blue
Option: 2
Cerric ions.
Option: 3
Potassium dichromate
Option: 4
Xylenol orange
Answers (1)
Cerric ions are yellow in colour and are reduced to colourless before the endpoint. The change in yellow colour is due to the excess presence of cerric ions.
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