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Question

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

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

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.


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