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.

Question

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) Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1 (B) Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1 (C) Statement 1 is True, Statement 2 is False (D) Statement 1 is False, Statement 2 is True

Tardigrade Admin · Accepted Answer

Potassium dichromate react with alcohol and the reduction of potassium dichromate takes place and dichromate (orange red) changes to Cr 3+ (green).

Q. 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.

Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1

Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1

Statement 1 is True, Statement 2 is False

Statement 1 is False, Statement 2 is True

Potassium dichromate react with alcohol and the reduction of potassium dichromate takes place and dichromate (orange red) changes to $C r^{3 +}$ (green).

Q. 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.