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Give the order of coagulating power of C...

Give the order of coagulating power of `Cl, SO_(4)^(2-), PO_(4)^(3-)` in the coagulation of positive sols.

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Knowledge Check

  • The order of coagulating power of PO_(4)^(3-), SO_(4)^(2-) and Cl^(-) in the coagulating of a given positive sol is

    A
    `PO_(4)^(3-)gtSO_(4)^(2-)gtCl^(-)`
    B
    `SO_(4)^(2-)gtCl^(-)gtPO_(4)^(3-)`
    C
    `Cl^(-)gtPO_(4)^(3-)gtSO_(4)^(2-)`
    D
    `Cl^(-)gtSO_(4)^(2-)gtPO_(4)^(3-)`

  • In the coagulating of a positive sol, flocculation powers of Cl^(-), SO_(4)^(-2) and PO_(4)^(-3) are in the order

    A
    `ClgtSO_(4)^(-2)gtPO_(4)^(-3)`
    B
    `ClgtPO_(4)^(-3)gtSO_(4)^(-2)`
    C
    `PO_(4)^(-3)gtSO_(4)^(-2)gtCl`
    D
    `PO_(4)^(-3)gtClgtSO_(4)^(-2)`

  • In the coagulation of a positive sol, flocculation powers of CI^- , SO_4^(-2) and PO_4^(-3) are in the order

    A
    `Cl^(-) gt SO_4^(-2) gt PO_4^(-3)`
    B
    `Cl^(-) gt PO_4^(-3) gt SO_4^(-2)`
    C
    `PO_4^(-3) gt SO_4^(-2) gt Cl^(-)`
    D
    `PO_4^(-3) gt Cl^(-) gt SO_4^(-2)`

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    The order of Cl-O bond energy in ClO^(-),ClO_(2)^(-),ClO_(3)^(-),ClO_(4)^(-) is

    Coagultion is the process by which the dispersed phase of a colloid is made to aggregate and thereby separate from the continuous phase. The minimum concentration of an electrolyte in milli-moles per litre of the electrolyte solution which is required to cause the coagulation of colloidal sol is called coagulation value. Therefore higher is the coagulating power of effective ion, smaller will be the coagulation value. Coagulation value of the electrolyte alpha 1/("coagulating power") The coagualtion value of different electrolytes are different. This behaviour can be easily understood by hardy-schulze rule which states. "The greater is the valency of the effective ion greater is its precipitating power." The coagulation of colloidal particles of the sol can be caused by :

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