Match Column I with Column II and Column III — Solid State Chemistry Question
Question
Match Column I with Column II and Column III
Answer: A-Q, A-W, B-P, B-X, C-R, C-Z, D-S, D-Y
💡 Solution & Explanation
NaCl (rock salt) has Cl$^-$ in FCC and Na$^+$ in all octahedral voids with 6:6 coordination. CaF$_2$ (fluorite) has Ca$^{2+}$ in FCC and F$^-$ in all tetrahedral voids with 8:4 coordination. ZnS (zinc blende) has S$^{2-}$ in FCC and Zn$^{2+}$ in alternate tetrahedral voids with 4:4 coordination. Na$_2$O (anti-fluorite) has O$^{2-}$ in FCC and Na$^+$ in all tetrahedral voids with 4:8 coordination. Therefore, correct pairs are A $\rightarrow$ Q, W; B $\rightarrow$ P, X; C $\rightarrow$ R, Z; D $\rightarrow$ S, Y.
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