Single Choice

An organic compound containing sulphur is estimated by Carius method in which fuming $$HNO_3$$ is used to convert S into :

A$$SO_3^{2-}$$
B$$SO_4^{2-}$$
Correct Answer
C$$SO_3$$
D$$SO_2$$

Solution

S is converted to $$H_2SO_4 (SO_4^{2-})$$.

SIMILAR QUESTIONS

Organic Chemistry

In organic compounds, Sulphur is estimated as:

Organic Chemistry

In an estimation of S by Carius method 0.2175g of the compound gave 0.5825g of $$BaSO_{4}$$. Percentage of S is :

Organic Chemistry

0.32g of organic compound in Carius method gave 0.233g of $$ BaSO_{4}$$. The percentage of $$S$$ in the organic compound is:

Organic Chemistry

Fill in the blanks : In Carius method for sulphur and phosphorus, sulphur is estimated as ............. and phophorus is estimated as ..............

Organic Chemistry

In the estimation of sulphur, organic compound on treating with conc. $$HNO_3$$ is converted to

Organic Chemistry

How much sulphur is present in organic compound if on analysis $$0.53\ gm$$ of this compound gives $$1.158\ gm$$ of $$BaSO_{4}$$?

Organic Chemistry

In Carius method for the quantitative estimation of sulphur. it is estimated by__________.

Organic Chemistry

The violet colour obtained during the test of sulphur by Lassaigne's test is due to the formation of:

Organic Chemistry

Sulphur is estimated by carius method as barium sulphate.

Organic Chemistry

A red solution is obtained when ferric chloride solution is added to sodium extract. It indicates both nitrogen and sulphur are present in the organic compound.

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