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Which type of crystal defect is indicate...

Which type of crystal defect is indicated by the diagram given below ?
`Na^(+) Cl^(-) Na^(+) Cl^(-)Na^(+)Cl^(-)`
`Cl^(-) Cl^(-) Na^(+) Na^(+)`
`Na^(+) Cl^(-) Cl^(-) Na^(+) Cl^(-)`
`Cl^(-) Na^(+) Cl^(-) Na^(+) Na^(+)`

A

Interstitial defects

B

Schottky defect

C

Frenkel defect

D

Both Frenkel & Schottky defects

Text Solution

Verified by Experts

The correct Answer is:
B
Schottky defects because equal number of cations `(Na^(+))` and anions `(Cl^(-))` are missing from the lattice
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