JEE Main Chemistry question

Chemistry Organic Oxidation & Reduction Reactions JEE Main

Statement 1: Change in colour of acidic solution of potassium dichromate by breath is used to test drunk drivers. Statement 2: Change in colour is due to the complexation of alcohol with potassium dichromate.

(A)Assertion True, Reason True; Reason is the correct explanation
(B)Assertion True, Reason True; Reason is NOT the correct explanation
(C)Assertion True, Reason FalseCorrect
(D)Assertion False, Reason True

Answer: (C)

Solution

The breathalyzer test (Statement 1) is a genuine, true application. However, the colour change (orange-red to green) is due to the

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-136741