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An aqueous solution of Al(2)(SO(4))(3),F...

An aqueous solution of `Al_(2)(SO_(4))_(3),FeSO_(4)` and chrome alum is heated with excess `Na_(2)O_(2)`. A brown residue and an yellow filtrate are obtained. Discuss. 

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In a double sulphate salt K_(2)SO_(4)Al_(2)(SO_(4))_(3)4xx xH_(2)O . The value of x is

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Knowledge Check

  • Aqueous solution of Na_(2)CO_(3)

    A
    Acidic
    B
    asic
    C
    Neutral
    D
    Highly acidic

  • Aqueous solution of Na_(2)CO_(3) is

    A
    Acidic
    B
    Basic
    C
    Neutral
    D
    Highly acidic

  • Al_(2)(SO_(4))_(3)+NH_(4)OH rarr X,X is

    A
    a white gelatinous precipate
    B
    insoluble in excess of `NH_(4)OH`
    C
    soluble in excess of NaOH
    D
    amphoteric in nature

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    An aqueous solution of a white salt A gives a white precipitate B on treatment with dilute HCI in cold conditions. B is soluble in boiling water. An aqueous solution of A gives a yellow precipitate on treatment with a solution of K_(2)CrO_(4) . The soda extract of A is acidified with dilute H_(2)SO_(4) boiled to remove CO_(2) and treated with a freshly prepared solution of FeSO_(4) Concentrated H_(2)SO_(4) is added to the resulting solution (along the walls of the test tube so that the H_(2)SO_(4) forms a separate layer). A brown ring is formed at the junction of the two layers. On treatment with a Kl solution, an aqueous solution of A will give

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