NEET Chemistry The Solid State Questions Solved


Assertion : The ratio of Zn2+ and F- per unit cell of ZnS and CaF2 is 1:2. 

Reason : In ZnS Zn2+ ions occupy alternate tetrahedral voids and in CaF2 F- ions occupy all the tetrahedral voids of FCC unit cell.

 

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Concept Videos :-

#9 | FCC Unit Cell: Packing Fraction
#20 | Rank of HP Unit Cell
#21 | Packing Fraction of HP Unit Cell
#24 | Density of Unit Cell

Concept Questions :-

Density/Formula/packing fraction/ Semiconductors
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