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What are non-stoichiometric compounds ?...

What are non-stoichiometric compounds ?

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IF the actual ratio of the cations and anions is not same as represented by the ideal chemical formula of the compound, it is called a non-stoichiometric compound.
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What type of non-stoichiometric point defect is responsible for the pink colour of LiCl ?

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Knowledge Check

  • Non-stoichiometric compounds are

    A
    `Cu_(2)O`
    B
    `Cu_(2)S`
    C
    `FeO`
    D
    `Hg_(2)Ba_(2)YCaCu_(2)O_(7)`

  • An example of a non-stoichiometric compound is -

    A
    PbO
    B
    `NiO_(2)`
    C
    `Al_(2)O_(3)`
    D
    `Fe_(3)O_(4)`

  • select the correct statement about non stoichiometric compounds

    A
    they are called bertholide compounds
    B
    they do not obey the law of constant composition
    C
    electrical neutrality is maintained either by having extra electrons in the structure or changing the charge on some of the metal ions
    D
    all of the above

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    An example of a non- stoichiometric compound is

    Which is the set of non stoichiometric compounds

    The non-stoichiometric compound Fe_0.94O is formed when some Fe^(+2) ions are replaced by Fe^(+3) ions. What is the percentage of Fe^(+3) ions in this ionic lattice ?

    The non- stoichiometric compound Fe_(0.94)O is formed when x% of Fe^(2+) ions are replaced by as many 2//3 Fe^(3+) ions The value of x is:

    1.44 gram of Titanium (Ti) reacted with excess of O_(2) and produced x gram of non-stoichiometric compound Ti ._(0.44)O . The value of x will be :[Ti = 48]

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