| Assertion: Change in colour of acidic solution of potassium dichromate by breath test is used to test drunk drivers. |
| Reason: Change in colour is to do the complexation of alcohol with potassium dichromate. |
A) Assertion and reason both are correct and reason is correct explanation of assertion.
B) Both assertion and reason are correct statements but reason is not correct explanation of assertion.
C) Assertion is correct statement but reason is wrong statement.
D) Assertion is wrong statement but reason is correct statement.
Correct Answer: C
Solution :
Correct Reason : Alcohol released from breath carries the reduction of \[C{{r}_{2}}{{O}_{7}}^{2-}\]ion (orange) to \[C{{r}^{3+}}\]ion (green) and there is no complexation of alcohol.
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