Solid State PYQs - Last 5 Years

 Calculate the radius of metal atom if it forms bec unit cell having edge length 530 pm.

What is the total number of different types of unit cells present in triclinic crystal system?

Calculate the void volume of simple cubic unit cell if the volume of unit cell is $5.5 \times 10^{-22} \mathrm{~cm}^3$.

Calculate the number of atoms in 0.3 gram metal if it forms bec structure $\left[\rho \times \mathrm{a}^3=3 \times 10^{-22} \mathrm{~g}\right]$

Calculate the volume occupied by all atoms in bcc unit cell if the volume of unit cell is $1.5 \times 10^{-22} \mathrm{~cm}^3$.

What is the coordination number of a particle in hcp structure?

Calculate the density of an element having molar mass $63 \mathrm{~g} \mathrm{~mol}^{-1}$ that forms fcc structure $\left[\mathrm{a}^3 \times \mathrm{N}_{\mathrm{A}}=28 \mathrm{~cm}^3 \mathrm{~mol}^{-1}\right]$

Calculate the volume of unit cell of an element having molar mass $63.5 \mathrm{~g} \mathrm{~mol}^{-1}$ that forms fcc structure $\left[\varrho \times \mathrm{N}_{\mathrm{A}}=5.5 \times 10^{24} \mathrm{~g} \mathrm{~cm}^{-3} \mathrm{~mol}^{-...

Find the void volume of bec unit cell in $\mathrm{cm}^3$ if volume of unit cell is $1.5 \times 10^{-22} \mathrm{~cm}^3$.

Which from the following statements is NOT true regarding crystalline solid?

Calculate the volume of unit cell of an element having molar mass $27 \mathrm{~g} \mathrm{~mol}^{-1}$ that forms fcc unit cell. $\left[\rho . \mathrm{N}_{\mathrm{A}}=16.0 \times 10^{23} \mathrm{~g} \mathrm{~cm}^{-3} \mathrm{~mol}^{-1}\right...

Calculate the edge length of fcc unit cell if radius of metal atom is 139 pm .

What is the total number of particles present in bcc unit cell?

Calculate the radius of an atom of metal if it forms simple cubic unit cell with edge length 380 pm.

Which from following nanomaterials has two dimensions less than 100 nm ?

Which from following solids exhibits isotropic properties?

Calculate the number of unit cells in 10.8 g metal $\left(\varrho a^3=7.2 \times 10^{-22} \mathrm{~g}\right)$

What type of solid is the silica?

Find the void volume of fcc unit cell in $\mathrm{cm}^3$ if the volume of fcc unit cell $1.25 \times 10^{-22} \mathrm{~cm}^3$.

Calculate the number of unit cells in 0.9 g metal if it forms bec structure. $\left[\rho \times \mathrm{a}^3=3 \times 10^{-22}\right.$ gram$]$

What is the total number of particles present in base centred unit cell?

Calculate the number of unit cells in 0.4 g metal if the product of density and volume of unit cell is $1.2 \times 10^{-22} \mathrm{~g}$.

What is the total number of tetrahedral voids in 0.6 mole of compound that forms hcp structure?

A compound is formed by two elements A and B. The atoms of element B form ccp structure. The atoms of A occupy $\frac{1}{3}$ of tetrahedral voids. What is the formula of the compound?

Calculate the total volume occupied by all atoms in simple cubic unit cell if radius of atom is $3 \times 10^{-8} \mathrm{~cm}$.

What is the volume of one particle in BCC structure if ' $a$ ' is edge length?

Unit cell of an element has edge length of 5\(\mathop A\limits^o\) with density $4 \mathrm{~g} \mathrm{~cm}^{-3}$, if its atomic mass is 149, identify the crystal structure.

In a solid, $\mathrm{B}^{-}$ions occupy corners of a cube forming ccp structure. If $\mathrm{A}^{+}$ion occupy half the tetrahedral voids, formula of the solid is

Metallic silver has fcc structure. If radius of Ag atom is 144 pm . What is the edge length of unit cell?

What is the number of octahedral voids present in 0.2 mol of a compound forming hcp structure?

n-type of semiconductor is formed when

A metal crystallises in bcc structure with edge length $4 \times 10^{-8}$. If density of unit cell is $10 \mathrm{~g} \mathrm{~cm}^{-3}$. What is its molar mass?

What is atomic radius of an element if it crystallises in BCC structure with edge length of unit cell 287 pm?

Identify the instrument used to find crystal structure from following :

What type of unit cell from following is common to all seven types of crystal systems?

Which among the following is an example of one dimensional nanostructure?

In an ionic solid equal number of cations and anions are missing from their regular positions in the crystal lattice creating vacancies is called-

Calculate number of atoms per unit cell of an element having molar mass $92.0 \mathrm{~g} \mathrm{~mol}^{-1}$ and density $8.6 \mathrm{~g} \mathrm{~cm}^{-3}$ forming cubic unit cell structure. $\left[\mathrm{a}^3 \times \mathrm{N}_{\mathrm{...

Calculate the volume of unit cell if an element having molar mass $92 \mathrm{~g} \mathrm{~mol}^{-1}$ that forms bcc structure $\left[\varrho \times \mathrm{N}_{\mathrm{A}}=5.0 \times 10^{24} \mathrm{~g} \mathrm{~cm}^{-3} \mathrm{~mol}^{-1}...

What is minimum number of spheres required of develop a tetrahedral void?

Calculate the density of a metal molar mass $197 \mathrm{~g} \mathrm{~mol}^{-1}$ if it forms fcc structure. $\left[\mathrm{a}^3 \times \mathrm{N}_{\mathrm{A}}=40 \mathrm{~cm}^3 \mathrm{~mol}^{-1}\right]$

Calculate the volume of simple cubic unit cell if the radius of particle in it is 400 pm.

What is the number of unit cells when one mole atom of a metal that forms simple cubic structure?

What is the packing efficiency of silver metal in its unit cell?

A compound made of elements \(\mathrm{A}\) and \(\mathrm{B}\) form fcc structure. Atoms of A are at the corners and atoms of B are present at the centres of faces of cube. What is the formula of the compound?

Find the radius of metal atom in simple cubic unit cell having edge length 334.7 pm?

Which from following metal has ccp crystal structure?

Calculate the molar mass of an element having density \(21 \mathrm{~g} \mathrm{~cm}^{-3}\) that forms fcc unit cell \(\left[\mathrm{a}^3 \cdot \mathrm{N}_{\mathrm{A}}=36 \mathrm{~cm}^3 \mathrm{~mol}^{-1}\right]\)

Identify the CORRECT decreasing order of melting point of cluster of sodium atoms depending on size.

What is total number of crystal systems associated with 14 Bravais lattices?