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Which of the following statement is fals...

Which of the following statement is false.
(1) Kjeldhal's method is used for estimation of N-element in organic compounds.
(2) Carius method is used for Estimation of N-element.
(3) Carius method is used for estimation of sulphur in organic compounds.
(4)Phosphorous is present in organic compound is oxidized to `H_3PO_4` then precipitated by magnesia mixture in form of `Mg_2P_2_O_7`.

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0.395 g of an organic compound by carius method for the estimation of sulphur gave 0.582 g of BaSO_(4) . Calculate the percentage of sulphur in the compound.

0.395 g of an organic compound by Carius method for the estimation of sulphur gave 0.582 g of BaSO_4 . Calculate the percentage of sulphur in the compound.

Knowledge Check

  • Selected method used to estimate methoxy group in organic compound :

    A
    Herzig Meryer method
    B
    Kjeldahl method
    C
    Zeisel method
    D
    Carius method

  • In Carius' method , sulphur present in an organic compound is estimated as

    A
    `PbS`
    B
    `Ag_2S`
    C
    `BaSO_(4)`
    D
    `H_(2)S`

  • 0.16 g of an organic compound gave 0.5 g of barium sulphate in Carius method of estimation of sulphur. Calculate the percentage of sulphur in the compound.

    A
    42.91
    B
    52.91
    C
    62.91
    D
    72.91

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    0.515 g of an organic compound containing phosphorus gave 0.214 g of magnesium pyrophosphate in Carius method for the estimation of phosphorus. Calculate the percentage of phosphorus in the given organic compound.

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

    0.395 g of an organic compound by Carius method for the estimation of S gave 0.582 g of BaSO_4 The percentage of S in the compound is

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