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NEET UG CHEMISTRY MCQ: SOLID STATE

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Schottky defect in crystals is observed when

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Correct option: D

Equal number of cations and anions are missing from the lattice

Option D (Equal number of cations and anions are missing from the lattice) is correct because Schottky defects involve the absence of an equal number of cations and anions to maintain electrical neutrality, leading to vacancies in the crystal lattice.

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Calculate the ionic radius of a

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Wrong match is A molecule contains atoms

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at the face centres. The formula of the molecule is Which species is diamagnetic ? The arrangement ABCABC……is referred to as, An alloy of Cu, Ag and Au is found to have Cu forming the simple cubic close packed lattice. If the Ag atoms occupy the face centres and Au is present at the body centre, the formula of the alloy will be