JEE CHEMISTRY MCQ: SOLID STATE

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Choose correct statement regarding defects in
ionic solids:

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Correct option: D

In Schottky defect equal number of cations
and anions are missing from their lattice sites

Option D (In Schottky defect equal number of cations and anions are missing from their lattice sites) is correct because Schottky defects involve the absence of an equal number of cations and anions to maintain electrical neutrality.

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{CaF}_2

, fluorite type structure,

{F}^{-}

ions occupy Consider a body centred cubic (BCC) arrangement, let

\mathrm{d}_{\mathrm{e}}

\mathrm{d}_{\mathrm{fd}}, \mathrm{d}_{\mathrm{bd}}

be the distances between successive atoms located along the edge, the face-diagonal, the body diagonal respectively in a unit cell. Their order is given by - A mineral having the formula

\mathrm{AB}_2

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\mathrm{A}

atoms occupying the lattice points. Pick out the correct statements of the following Which one of the following metal oxides is antiferromagnetic in nature? Wax is an example of : The following is not a function of an impurity present in a crystal