1. Tardigrade
  2. Question
  3. Chemistry
  4. Statement 1: Zinc blende and wurtzite both have fcc arrangement of S 2- ions Statement 2: A unit cell of both has four formula units of ZnS

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Q. Statement 1 : Zinc blende and wurtzite both have fcc arrangement of $S ^{2-}$ ions
Statement 2 : A unit cell of both has four formula units of $ZnS$

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Solution:

Correct (A):Zinc blende has fcc arrangement of $S ^{2-}$ ions while wurtzite has hcp arrangement of $S ^{2-}$ ions
Correct (R):A unit cell of zinc blende has 4 formula units while that of wurtzite has 6 formula units of $ZnS$