An organic compound containing sulphur is estimated by Carius method in which fuming $H N O_{3}$ is used to convert S into :

S O_{3}^{2 -}

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S O_{4}^{2 -}

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S O_{3}

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S O_{2}

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Solution

The correct option is D $S O_{4}^{2 -}$
S is converted to $H_{2} S O_{4} (S O_{4}^{2 -})$ .

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An organic compound containing sulphur is estimated by Carius method in which fuming HNO3 is used to convert S into :

The correct option is D SO2−4S is converted to H2SO4(SO2−4).

An organic compound containing sulphur is estimated by Carius method in which fuming $H N O_{3}$ is used to convert S into :

The correct option is D $S O_{4}^{2 -}$
S is converted to $H_{2} S O_{4} (S O_{4}^{2 -})$ .