Which of the following statements for crystals having Schottky defect is not correct?

Schottky defect arises when some of the lattice points are unoccupied called vacancies or holes and the number of missing positive and negative ions is same so that the crystal remains neutral in all

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Schottky defect are more common in ionic compounds with high co-ordination number

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The density of the crystals having schottky defect is larger than that of the perfect crystal

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The crystal having schottky defect is electrically neutral as a whole

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Solution

The correct option is C The density of the crystals having schottky defect is larger than that of the perfect crystal
After removing cation and anion in Schottky defect, density of crystal will decrease. In Schottky defect, amount of positive charge removed = amount of negative charge removed.

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Similar questions

Q. Assertion (A) : The density of crystal having Schottky defect is lowered.
Reason (R) : The crystals suffering from Schottky defect have same number of cations and anions missing from their normal lattice sites.

Q. Which of the following statement(s) for crystals having Schottky defect is/are correct?

Q. Assertion :Schottky defect is generally shown by the compounds with high co-ordination number. Reason: In Schottky defect, equal number of anions and cations are missing from their lattice sites.

Q. Frenkel defect does not change the density of the ionic crystal whereas, Schottky defect lowers the density of ionic crystal. Give a reason.

Ionic lattice has two major points defects, (1) Schottky (2) Frenkel defects. Schottky defects occur due to the cation-anion pair's missing from the lattice sites. Frenkel defects occur when an ion leaves its lattice site and fits into interstitial space. The neutrality of the crystal is being maintained and we considered all losses from interstitial positions.

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Which of the following statements for crystals having Schottky defect is not correct?

The correct option is C The density of the crystals having schottky defect is larger than that of the perfect crystalAfter removing cation and anion in Schottky defect, density of crystal will decrease. In Schottky defect, amount of positive charge removed = amount of negative charge removed.

The correct option is C The density of the crystals having schottky defect is larger than that of the perfect crystal
After removing cation and anion in Schottky defect, density of crystal will decrease. In Schottky defect, amount of positive charge removed = amount of negative charge removed.