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  4. General formula of solid in zinc blende structure is:

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Q. General formula of solid in zinc blende structure is:

BITSATBITSAT 2019

Solution:

$Zn ^{+2}$ present in alternate tetrahedral void
$=\frac{1}{2} \times 8=4$
$S ^{2-}$ present in $ccp =4$
$\therefore Zn _{4} S _{4}= ZnS$ i.e., $AB$ type compound.