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As2S3 sol is negatively charged. Between...

`As_2S_3` sol is negatively charged. Between sodium nitrate and aluminium nitrate which one is needed in large quantity to coagulate the above sol ? 

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Sodium nitrate.
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Knowledge Check

  • Which of the following is required in lowest concentration to coagulate a positively charged Fe(OH)_3 sol ?

    A
    `Na_2S_2 O_3`
    B
    `K_3[Fe(CN)_6]`
    C
    `[K_4[Fe(CN)_6]`
    D
    `Al_2[SO_4]_3`.

  • Consider the following statements in case of Young's double slit experiment. 1. A slit S is necessary if we use an ordianry extended source of light. 2. A slit S is not needed if we use an ordinary but well collimated beam of light. 3. A slit S is not needed if we use a spatially coherent source of light Which of the above statements are correct?

    A
    1, 2 and 3
    B
    1 and 2
    C
    2 and 3
    D
    1 and 3

  • Consider the following statements in case of young's double slit experiment. (1)A slit S is necessary if we use an ordinary extended source of light. (2)A slit S is not needed if we use an ordinary but well collimated beam of light. (3)A slit S is not needed if We use a spatially coherent source of light. Which of the above statements are correct?

    A
    (1),(2) and (3)
    B
    (1) and (2)
    C
    (2) and (3)
    D
    (1) and (3)

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    Between Caso_4 and Ca_3 (PO_4)_2 which one is require in maximum Concentration to Coagulate positive sol.

    i) What is peptization? ii) What is the dispersed phase in a gel? iii) Which one of the following electrolyte is required in the smallest quantity to precipitate a negative sol? MgCl_(2). AICl_(3), NaCl .

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    Which of the following has highest coagurating power for As _(2)S_(3) sol ?

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