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Assertion : Change in colour of the acid...

Assertion : Change in colour of the acidic solution of breath is used as a test for drunken driver.
Reason : Change in colour is due to complexation of alcohol with potassium dichromate.

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The correct Answer is:
C
Change in colour is due to reduction of dichromate and organge red dichromate changes to green coloured `Cr^(3+)`.
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