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An alloy of copper and gold crystallizes...

An alloy of copper and gold crystallizes in cubic lattic, in which the `Au-` atoms occupy the lattice points at the corners of cube and `Cu-` atoms occupy the centre of each face. The formula of this alloy is `:`

Text Solution

Verified by Experts

The correct Answer is:
`AuCu_(3)`
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A compound representing alloy of gold and copper crystallises in a cubic lattice in which gold atoms occupy the lattice points at the corners of a cube and copper atoms occupy the centres of each of the cubic faces. Find formula of compound.

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Knowledge Check

  • A compound alloy of gold and copper crystallizes in a cubic lattice in which the gold atoms occupy the lattice points at the comers of a cube and the copper atoms occupy the centre of each of the cube faces. The formula of this compound is

    A
    AuCu
    B
    `Au_(2)Cu`
    C
    `Au_(3)Cu`
    D
    `AuCu_(3)`

  • A mineral having the formula AB_(2) crystallizes in the ccp lattice, with A atoms occupying the lattice points. Select the correct statement(s).

    A
    The coordination number `(CN)` for `A` atoms `= 8`.
    B
    The `CN` for `B` atom `= 4`
    C
    `100%` of `TV_(s)` are occupied by `B` atoms
    D
    `50%` of `TV_(s)` are occupied by `B` atoms.

  • A substance A_(x)B_(y) crystallises in a face centred cubic (fcc) lattice in which atoms 'A' occupy each corner of the cube and atoms 'B' occupy the centres of each face of the cube identify the correct formula of the compound.

    A
    `AB_(3)`
    B
    `A_(4)B_(3)`
    C
    `A_(3)B`
    D
    Formula cannot be specified

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    A compound alloy of gold copper crystallies in a cubic lattice in which gold atoms occupy the lattice points at the corners of each cube and copper atoms occupy the centres of each cubic faces. Find the number of total atoms per unit cell.

    A compound alloy of gold and copper crystallizes in a cubic lattice in which gold occupy that lattice point at corners of the cube and copper atom occupy the centres of each of the cube faces. What is the formula of this compound.

    A compound formed by elements X and Y crystallizes in cubic arrangement in which X atoms are at the corners of a cube and Y atoms are at the face centres. What is the formula of the compound ?

    A solid has a structure in which 'W' atoms are located at the corners of a cubic lattice 'O' atoms at the centre of the cube . The formula for the compound is ____.

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