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Copper metal reduces Fe^(2+) in an acid ...

Copper metal reduces `Fe^(2+)` in an acid medium.

Text Solution

Verified by Experts

False :
`Fe^(2+)` cannot be further reduced by copper metal.
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Coper metal can reduce Fe^(2+) in acidic medium.

A given amount of Fe^(2+) is oxidised by x mol of MnO_4^– in acidic medium. Calculate mol of Cr_2O_7^(2–) required same amount of Fe^(2+) in acidic medium

How many coulombs of electricity is required to reduce 1 mole of Cr_2O_7^(2-) in acidic medium?

Reduction of metal centre in aqueous permanganate ion involves (1) 5 electrons in neutral medium (2) 5 electrons in acidic medium (3) 3 electrons in neutral medium (4) 3 electrons in alkaline medium

Knowledge Check

  • Copper reduces

    A
    Na
    B
    Al
    C
    Mg
    D
    None

  • How many coulombs of electricity is required to reduce 1 mole of Cr_2O_7^(2-) in acidic medium?

    A
    4 x 96500 C
    B
    6 x 96500 C
    C
    2 x 96500 C
    D
    1 x 96500 C

  • Reduction of metal centre in aqueous permanganate ion involves (1) 5 electrons in neutral medium (2) 5 electrons in acidic medium (3) 3 electrons in neutral medium (4) 3 electrons in alkaline medium

    A
    1, 2
    B
    2, 3
    C
    1, 3
    D
    2, 3, 4