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Which of the following is (are) soluble ...

Which of the following is (are) soluble in excess of NaOH ?

A

`Al(OH)_(3)`

B

`Cr(OH)_(3)`

C

`Fe(OH)_(3)`

D

`Zn(OH)_(2)`

Text Solution

Verified by Experts

`Al(OH)_(3) +NaOH to underset("Soluble")(NaAlO_(2)) +2H_(2)O`
`Zn(OH)_(2) +2NaOH to underset("Soluble")(Na_(2)ZnO_(2)) +2H_(2)O`
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Knowledge Check

  • Which of the following are soluble in excess of NaOH (X) : As_(2)S_(3) ,(Y) : CuS ,(Z) : AICI_(3)

    A
    X,Y,Z
    B
    Y,Z
    C
    X,Z
    D
    X,Y

  • Which among the following will be soluble in excess of NaOH ?

    A
    `FeCl_(3)`
    B
    `CrCl_(3)`
    C
    `AlCl_(3)`
    D
    `ZnCl_(2)`

  • Which of the following is incoluble in excess of NaOH?

    A
    `Al(OH)_(3)`
    B
    `Cr(OH)_(3)`
    C
    `Fe(OH)_(3)`
    D
    `Zn(OH)_(2)`

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