

MCQOPTIONS
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1. |
The \[{{r}_{+}}/{{r}_{-}}\] ratio of \[ZnS\] is 0.402. Pick out the incorrect statements from the following? |
A. | \[ZnS\] is 4:4 coordination compound. |
B. | \[ZnS\] does not crystallize in rock salt type lattice because \[{{r}_{+}}/{{r}_{-}}\] is too small to avoid overlapping of \[{{S}^{2-}}\] ions. |
C. | \[Z{{n}^{2+}}\] ion is too small to fit precisely into the octahedral voids of \[{{S}^{2-}}\] ions. |
D. | \[Z{{n}^{2+}}\] ion is too large to fit into the octahedral voids of \[{{S}^{2-}}\] ions. |
Answer» E. | |