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Solid State Tes...

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  • Question 1
    4 / -1

    Which is the defect represented by the given figure

  • Question 2
    4 / -1

    What is the effect of Frenkel defect on the density of ions solids?

  • Question 3
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    Alkali halides do not show Frenkel defect because

  • Question 4
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    What type of stoichiometric defect is shown by ZnS?

  • Question 5
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    In Schottky defect,

  • Question 6
    4 / -1

    Which type of crystal defect is shown in the given figure?

  • Question 7
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    Silver halides generally show

  • Question 8
    4 / -1

    In the given crystal structure what should be the cation X which replaces Na+ to create a cation vacancy?

  • Question 9
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    An electron trapped in an anion site in a crystal is called

  • Question 10
    4 / -1

    In the following figure, the blank X is known as __________ and why?

  • Question 11
    4 / -1

    The anionic sites occupied by unpaired electrons are called F-centres or colour centres. They impart (X) colour to the crystals of NaCl. Excess of lithium makes LiCl crystals (Y) and excess of potassium makes KCl crystals (Z). (X), (Y) and (Z) are

  • Question 12
    4 / -1

    Zinc oxide loses oxygen on heating according to the reaction,

    It becomes yellow on heating because

  • Question 13
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     Which of the following will have metal deficiency defect?

  • Question 14
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    Experimentally it was found that a metal oxide has formula M0.98O. Metal M, is present as M2+ and M3+ in its oxide. Fraction of the metal which exists as M3+ would be

  • Question 15
    4 / -1

    Mark the incorrect pair from the following.

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