In the following questions a statement of Assertion (A) followed by a statement of
Reason (R) is given. Choose the correct option out of the choices given below each question.
Assertion (A): Sulphur present in an organic compound can be estimated quantitatively by Carius method.
Reason (R): Sulphur is separated easily from other atoms in the molecule and gets precipitated as light yellow solid.
(i) Both A and R are correct and R is the correct explanation of A.
(ii) Both A and R are correct but R is not the correct explanation of A.
(iii) Both A and R are not correct.
(iv) A is not correct but R is correct.
We know that the Carius method is used to estimate the halogen quantity, hence assertion is found to be wrong.
Now reason, Sulphur can be separated easily from other atoms in the molecule, by lassiagn’s test, but the yellow precipitate cannot be obtained.
As both assertion and reason is incorrect.
Option (iii) is the answer.