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Examine the given defective crystal {:...

Examine the given defective crystal
`{:(A^(+), B^(-),A^(+),B^(-),A^(+)),(B^(-), O,B^(-), A^(+),B^(-)),(A^(+),B^(-),A^(+),O,A^(+)),(B^(-),A^(+),B^(-),A^(+),B^(-)):}`
Answer the following question :
(i) What type of stoichimetic defect is shown by the crystal ?
(ii) How is the density of the crystal affected by this defect ?
(iii) What type of ionic substances show such defect ?

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MODERN PUBLICATION-SOLID STATE-REVISION EXERCISES (SHORT ANSWER QUESTIONS)
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