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

Question

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 (A) Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1 (B) Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1 (C) Statement 1 is True, Statement 2 is False (D) Statement 1 is False, Statement 2 is True

Tardigrade Admin · Accepted Answer

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

Z n S

Q. Statement 1 : Zinc blende and wurtzite both have fcc arrangement of S2− ions Statement 2 : A unit cell of both has four formula units of ZnS

Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1

Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1

Statement 1 is True, Statement 2 is False

Statement 1 is False, Statement 2 is True

Correct (A):Zinc blende has fcc arrangement of S2− ions while wurtzite has hcp arrangement of S2− ions Correct (R):A unit cell of zinc blende has 4 formula units while that of wurtzite has 6 formula units of ZnS

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 $Z n S$

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 $Z n S$