Solid State PYQs - Last 5 Years

Calculate the density of an element having molar mass $225\ \text{g mol}^{-1}$ forming bcc structure $[a^3 \times N_A = 75\ \text{cm}^3\text{mol}^{-1}]$

What is the coordination number of particle in simple cubic structure ?

Calculate the radius of atom of metal forming fcc unit cell having edge length $360$ pm

Which of the following nanomaterials has one dimension $< 100$ nm?

Which of the following defects is observed in steel?

A metal has a fcc structure if the edge length of unit cell is 200 pm, calculate the volume occupied by particles in a unit cell.

A metal crystallizes in a bcc unit cell having unit cell volume $2.5 \times 10^{-23}\ \text{cm}^3$. Find the number of unit cells in 18 g metal if the density of metal is $7.2\ \text{g cm}^{-3}$.

What is the number of tetrahedral voids present in $0.5$ mole of compound forming hcp structure?

Gold crystallizes as fcc unit cell, the edge length of unit cell is $408$ pm. What is the radius of gold atom?

In ionic solid, anions are arranged in hcp array and cations occupy $\dfrac{1}{2}$ tetrahedral voids. What is the formula of ionic compound ?[Consider A = Cation ; B = anion]

Which of the following statements is true about schottky defect ?

Calculate the total volume of simple cubic unit cell in $\text{cm}^3$ if void volume is $2.0 \times 10^{-23}\,\text{cm}^3$

What is the total number of Bravais lattices in orthorhombic crystal system?

Calculate the void volume in fcc unit cell if total volume of a unit cell is $6.4 \times 10^{-23}\ \text{cm}^3$ ?

Calculate the number of atoms present in $1\ \text{g}$ metal that forms simple unit cell structure if product of density and volume of unit cell is $66.5 \times 10^{-24}\ \text{g}$

A metal forms fcc structure. Calculate the volume of fcc unit cell in $\text{cm}^3$ if void volume is $1.66 \times 10^{-23}\ \text{cm}^3$.

What is the total number of adjacent unit cells shared by each face particle of fcc unit cell ?

Calculate the number of unit cell in $0.5$ g metal if the product of volume and density of unit cell is $6.65 \times 10^{-23}$ g

Calculate the number of unit cells in $1\text{cm}^3$ of metal if it forms simple cubic structure with unit cell edge length 500 pm.

Find the volume occupied by a particle in a simple cubic unit cell if the radius of a particle in it is 190 pm.

Calculate the void volume of bcc unit cell if volume of unit cell is $8 \cdot 0 \times 10^{-23} \text{ cm}^3$

Which of the following dopants is used in germanium to form n-type semiconductor ?

Calculate the number of atoms in 1 g metal that forms bcc crystal structure $[\rho \times a^3 = 6 \cdot 6 \times 10^{-22} \text{ g}]$

In the fcc structure, the number of tetrahedral holes per sphere is

Calculate the number of atoms present in 90 g of metal if it forms bcc structure.[ $\rho \times a^3 = 1.8 \times 10^{-22}$ g ]

A compound forms hcp structure. What is the number of tetrahedral voids formed in 0.8 mol of it.

What type of solution is a brass ?

What is the coordination number of Ag in a crystal lattice?

When silver crystallizes, it forms face centered cubic cells, if the volume of unit cells $6.84 \times 10^{-23}\ \text{cm}^3$. Calculate the density of silver. (Molar mass of silver is 108 g/mol, $N_A = 6.022 \times 10^{23}$)

What is the total contribution of all corner particles in bcc unit cell?

Which of the following nano structures includes nanotubes as an example?

Which of the following is NOT a characteristic of Schottky defect?

Calculate the number of unit cells present in $1$ g metal if the product of the density of metal and the volume of unit cell is $2.5 \times 10^{-22}$ g.

An element crystallises in fcc unit cell with cell edge length of $3.608 \times 10^{-8}$ cm, the density of element is $8.92 \text{ gcm}^{-3}$. Calculate the atomic mass of element ($\text{N}_A = 6.022 \times 10^{23}$).

Identify the covalent crystal from the following.

Calculate the number of atoms present in 1.625 g metal if it forms bcc unit cell structure.$[ \rho \times a^3 = 3.25 \times 10^{-22}\ \text{g}]$

Identify the false statement regarding magnetic properties of substance.(A) Paramagnetic substances are weakly attracted.(B) Diamagnetic substances are weakly attracted.(C) Ferromagnetic substances strongly attracted.(D) Diamagnetic substan...

Which of the following dopant is NOT used in Ge to obtain n-type semiconductor?

A compound formed by elements A and B crystallizes in a cubic structure where A atoms are at the corner of the cube and B atoms are at the center of the cube. What is the formula of the compound?

An element with a molar mass 27g mol$^{-1}$ forms a cubic unit cell. Calculate the number of atoms present in a unit cell if the density of metal is 2.7g cm$^{-3}$.$[a^3 \times N_A = 40$ cm$^3$ mol$^{-1}]$

Which from following ionic crystals exhibits Frenkel defect?

A metal crystallizes to form simple cubic unit cell. Calculate the void volume of unit cell. [$a = 3.36 \times 10^{-8}$ cm]

An ionic compound is formed by elements X and Y. Element Y forms a face-centered cubic (FCC) lattice, and element X occupies one-third of the tetrahedral voids. What is the formula of the compound?

What is the total number of spheres that surrounds the tetrahedral hole in the close-packed three-dimensional structure?

In a cubic unit cell of an ionic compound, the eight corners are occupied by anions and cations at the center of the cube. Calculate the volume of the unit cell if density of the unit cell is $4 \text{ g cm}^{-3}$.[Molar mass of compound $=...

Pt has FCC structure with an edge length of unit cell $392$ pm. What is the radius of Pt?

What is the number of neighbouring spheres for any particle in the fcc crystal lattice ?

A compound forms bcc unit cell with edge length $400$ pm. Determine the molar mass of the compound if the density of compound is $3.5\ \text{g cm}^{-3}$ [$N_A = 6.022 \times 10^{23}$]

In a fcc arrangement of A and B atoms in which 'A' atoms are at the corners of the unit cell and 'B' atoms are at the face centers. One of the 'A' atoms is missing from one corner in unit cell. What is the simplest formula of a compound ?

Calculate the edge length of unit cell if metal having atomic radius 170 pm forms simple cubic unit cell.