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Give balance chemical equation for the f...

Give balance chemical equation for the following :
(i) Silverf nitrate is added to dilute sodium thiosulphate solution.
(ii) Potassium dichromate is treated with acidified ferrous sulphate solution.

Text Solution

Verified by Experts

(i) `2AgNO_(3)+Na_(2)S_(2)O_(3) to Ag_(2)S_(2)O_(3) +2NaNO_(3)`
(ii) `K_(2)Cr_(2)O_(7)+7H_(2)SO_(4) +6FeSO_(4) to K_(2)SO_(4)+Cr_(2)(SO_(4))_(3)+3Fe_(2)(SO_(4))_(3)+7H_(2)O`
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Knowledge Check

  • When H_(2)O_(2) is added to acidified ferrous sulphate solution

    A
    Electrons are gained by `Fe^(2+)`
    B
    Electrons are lost by `Fe^(2+)`
    C
    No loss (or) gain of electrons
    D
    Iron hydroxide is precipitated

  • When H_(2)O_(2) is added to acidified ferrous sulphate solution

    A
    Electrons are gained by `Fe^(2+)`
    B
    Electrons are lost by `Fe^(2+)`
    C
    No loss (or) gain of electrons
    D
    Iron hydroxide is precipitated

  • When potassium permanganate is added to acidulated solution of ferrous sulphate-

    A
    Potassium ion is reduced
    B
    Manganese ions is oxidised
    C
    Ferrous ion is oxidised
    D
    Acid is neutralised

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