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- #Chemistry
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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 Carious 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.
Answers (1)
The answer is the option (iii) Both A and R are not correct.
Explanation: Sulphur is estimated by the Carius method in the form of white precipitate of on heating with fuming and
. If light yellow solid is obtained it means that impurities are present. It is then filtered, washed, and then dried to get pure
.
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