Structure of Ionic Compounds

In which of the following crystals, the alternate tetrahedral voids are occupied?

The edge length of unit cell of sodium chloride is $564\mathrm{pm}$. If the size of ${\mathrm{Cl}}^{-}$ion $181\mathrm{pm}$, the size of ${\mathrm{Na}}^{+}$ion would be

A student finds a crystal of $\mathrm{NaCl}$ having mass $58.5 \mathrm{mg}.$ He uses some of it to prepare $0.05\mathrm{M},10 \mathrm{mLNaCl}$ solution. How many unit cells are remained in the crystal ? $\left({\mathrm{N}}_{\mathrm{A}}=6\times {10}^{23}\right)$

If the radius ratio is in the range of $0.414-0.732$, then the coordination number will be

What is the value of radius ratio of ionic crystal having coordination number six?

In $\mathrm{NaCl}$ solid, if all the ions are removed along one of the axes joining the centres of any two diagonally opposite edges in a unit cell, then the resulting stoichiometry of the solid is

The interionic distance between cation and anion in caesium chloride crystal will be :-

In $\mathrm{NaCl}$ crystal, the number of nearest neighbours of each ${\mathrm{Na}}^{+}$ ions are:-

An ionic solid $\mathrm{PQ}$ crystallises in rock salt structure with density $4.0\mathrm{ }\mathrm{gm}/{\mathrm{cm}}^3.$. If the radius of cation and anion is $83$and $167 \mathrm{pm}$ respectively, then the molar mass of solid is $\left[{\mathrm{N}}_{\mathrm{A}}=6\times {10}^{23}\right]\mathrm{ }$

The radius of ${\mathrm{Ag}}^{+}$ ion is $126 \mathrm{pm}$ and ${\mathrm{I}}^{-}$ ion is $216 \mathrm{pm}$. The co-ordination number of ${\mathrm{Ag}}^{+}$ ion is:-

What will be value of ${\mathrm{r}}_{{\mathrm{Cs}}^{+}}+{\mathrm{r}}_{\mathrm{Cr}}$ in $\mathrm{CsCl}$ crystal having edge length $\text{'}\mathrm{a}\text{'}$?

The positions of ${\mathrm{C}}^{-}$ ions in $\mathrm{NaCl}$ structure are:

In a solid $\text{'}\mathrm{AB}\text{'}$ having the $\mathrm{NaCl}$ structure, $\text{'}\mathrm{A}\text{'}$ atoms occupy the every $\mathrm{CCP}$ and $\mathrm{B}$ atoms are in $\mathrm{OHV}$. If all the face-centred atoms along one of the axes are removed, then the resultant stoichiometry of the solid is-
 

The edge length of face centred cubic unit cell having rock salt structure is $508 \mathrm{pm}$. If the radius of the cation is $110\mathrm{pm},$ the radius of the anion is-
 

An ionic crystal lattice has ${\mathrm{r}}^{+}/{\mathrm{r}}^{-}$ radius ratio of $0.524$. Its coordination number is

The $\mathrm{NaCl}$ structure can be converted into $\mathrm{CsCl}$ structure:-

Which of the following is/are not correct with respect to Zinc Blende structure?

${\mathrm{S}}_1\text{:}$ The distance between ${\mathrm{Na}}^{+}$ and ${\mathrm{Cl}}^{-}$ in $\mathrm{NaCl}$ crystal is more than half of edge length.

${\mathrm{S}}_2\text{:}$ The number of triangular voids in the given arrangement in the enclosed region is $3$.

${\mathrm{S}}_3\text{:}$ In $\mathrm{ZnS}$ structure, $2 {\mathrm{Zn}}^{2+}$ and $2 {\mathrm{S}}^{2-}$ ions are present in each unit cell.

In a solid, ${\mathrm{S}}^{2-}$ions are packed in $\mathrm{FCC}$ lattice. ${\mathrm{Zn}}^{2+}$ occupy half of the tetrahedral voids in an alternating arrangement. Now if a plane is cut (as shown) then the cross-section would be: