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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



Question ID - 104905 | SaraNextGen Top Answer

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

1 Answer
127 votes
Answer Key / Explanation : (c) -

(c)

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

127 votes


127