NEET PYQ Solid State - Chapter-wise Questions with Solutions

About Solid State PYQs

Solid State has 659 previous year questions in the Quantrex Academy NEET UG Chemistry bank. The 220 questions in this list come from NEET (123), AIIMS (42), MHT CET Medical (33) and 1 other source, spanning 2001 to 2026. Each question opens on its own page with the options, the correct answer and the worked solution where available.

NEET Solid State PYQs with Solutions

About Solid State PYQs

Questions by year (this list)

Solid State questions with solutions

Which of the following formulae is used to find total volume of atoms present in face-centred cubic unit cell?

What is the packing efficiency of a metal crystal if it crystallizes in a face centered cubic lattice ?

What is the total number of tetrahedral voids present in a single fcc unit cell?

The unit cell of metal contains four particles. Calculate the volume of the unit cell if the molar mass of metal is 192\ g mol^ -1 . [ ρ × N_A = 1.5 × 10^ 25 \ g cm^ -3 mol^ -1 ]

A metal forms fcc unit cell with unit edge length 400\ pm . Calculate the number of atoms present in 0.6\ g of metal if the density of metal is 12.0\ g/cm^3

A compound is formed by two elements X and Y. The atoms of element Y form a hcp structure. The atoms of element X occupy 1/3 of octahedral voids. What is the formula of a compound?

An element has bcc structure with atomic radius 200 pm. Find the volume of unit cell.

Which of the following crystal system has four types of unit cells?

What is the packing efficiency and number of atoms per unit cell present in a face centered cubic system?

What is the packing efficiency in BCC unit cell ?

The volume of fcc unit cell is 5.6×10^ -23 \ cm^3 . Calculate the molar mass of metal if the density of metal is 20.4\ g cm^ -3 . [N_A=6.022×10^ 23 ]

Which of the following crystals are the hardest and most incompressible of all materials.

In a compound, atoms of element Y form hexagonal close-packed structure. Atoms of element X occupy 2/3 of the octahedral voids. What is the formula of the compound?

The density of iridium is 22.4 g cm^ -3 . The unit cell of iridium is fcc Calculate the volume of unit cell. if the molar mass of iridium is 192.2 g/mol.

Match List I with List II List I (Crystalline Solids) List II (Examples) (A). Ionic Solid (I). CO_2 (B). Covalent Solid (II). K_2SO_4 (C). Molecular Solid (III). K (D). Metallic

Which of the following exhibits non-stoichiometric metal deficiency?

Which of the following defects exhibit colour to solid alkali metal halides?

What type of the following defect is produced when NaCl crystal is doped with MgCl_2 ?

Sodium forms bcc structure. The molar mass of sodium is 23 g/mol. What is the mass of 3 unit cells of sodium?

Which of the following ionic crystals exhibits Schottky defect?

Which one of the following elements when doped with silicon makes it p-type semiconductor ?

A solid is formed of two different elements, A and B. In this atoms of A are arranged in the CCP array, and atoms of B occupy all octahedral voids and half of tetrahedral voids.

Elements A and B combine to form the ionic compound A_xB_y . The anions of B are arranged in hcp array and the cations of A occupy all the octahedral voids. Determine the values

If the volume of fcc unit cell is 6.4 × 10^ -23 cm^3 find the radius of an atom in it.

What type of solid is the diamond?

Calculate the atomic radius of an element having edge length 3.61 × 10^ -8 \ cm for fcc structure.

If the edge length of a bcc unit cell is 300\ pm . Calculate the body diagonal.

Which of the following information is given by XRD technique?

A metal crystallizes in FCC crystal lattice with density 10 g/cm^3 . The edge length of unit cell is 100 pm. The number of unit cell present in 100 g of metal is-

The silicon doped with gallium forms

Which of the following crystal systems has the lowest number of Bravais lattices?

Identify from following crystal system that its unit cell possesess edge length a = b = c and angle between these axes α = β = γ = 90^ ^ ∘ .

Potassium forms bcc unit cell structure with edge length of 522 pm. Find the radius of the potassium atom ?

How are edge length 'a' of the unit cell and radius ' r ' of the sphere related to each other in ccp structure? (Choose correct option for your answer.)

A compound is formed by two elements A and B. The element B forms cubic close packed structure and atoms of A occupy (1)/(3) of tetrahedral voids. If the formula of the compound

What fraction of one edge centred octahedral void lies in one unit cell of fcc?

How many number of tetrahedral voids are formed in 5 ~mol of a compound having cubic close packed structure? (Choose the correct option)

Match List-I with List-II : List-I (Defects) List-II (Shown by) (a) Frenkel defect (i) non-ionic solids and density of the solid decreases (b) Schottky defect (ii) non-ionic

What fraction of Fe exists as Fe (III) in Fe_ 0.96 O ? (Consider Fe_ 0.96 to be made up of Fe (II) and Fe (III) only)

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R) . Assertion (A) : In a particular point defect, an ionic solid is

Copper crystallizes in an FCC unit cell with cell edge of 3 .608 × 10 ^ - 8 cm . The density of copper is 8 . 92g / cm ^ 3 , Calculate the atomic mass of copper.

Right option for the number of tetrahedral and octahedral voids in hexagonal primitive unit cell are:

The correct option for the number of body centred unit cells in all 14 types of Bravais lattice unit cells is:

An element has a body centered cubic (bcc) structure with a cell edge of 288pm . The atomic radius is

Which one of the following compounds shows both, Frenkel as well as Schottky defects?

The number of tetrahedral voids present in 0.5 mole of h c p crystal structure are

In f c c , distance between the nearest tetrahedral voids is

An element germanium crystallises in b c c type crystal structure with edge of unit cell equal to 288 pm and the density of the element equal to 7.2 ~g ~cm^ -3 . The number of

Assertion: ZnO becomes yellow when it is heated. Reason : Metal excess defect arises due to excess of Zn^ 2+ ions which move to interstitial sites and the electron moves to

Assertion : Ferromagnetic compound is more attracted towards magnetic field. Reason : Because all electrons are aligned in same direction.

Formula of metal oxide with metal deficiency defect in its crystal is A_ 0.8 O . The crystal contains A^ 2+ and A^ 3+ ions. The fraction of metal existing as A^ 2+ ions in the

Which type of defect present in NaCl ?

Silicon carbide is example of

Frenkel defect is present in which of the following?

A compound is formed by cation C and anion A . The anions form hexagonal close packed (hcp) lattice and the cations occupy 75% of octahedral voids. The formula of the compound is:

Formula of nickel oxide with metal deficiency defect in its crystal is Ni_ 0.98 O . The crystal contains Ni^ 2+ and Ni^ 3+ ions. The fraction of nickel existing as Ni^ 2+ ions in

Assertion : Metal deficiency defect can be seen in FeO . Reason : Li compound ( LiCl) has pink colour due to F-center.

What colour is observed when ZnO is heated?

In HCP of A, (1)/(3) of tetrahedral voids are occupied by B . What is the formula of the compound?

Assertion : Due to Frenkel defect, there is no effect on the density of the crystalline solid. Reason : In Frenkel defect, no cation or anion leaves the crystal.

In a crystalline solid, having formula XY_2 O_4 , oxide ions are arranged in cubic close packed lattice while, cations X are present is tetrahedral voids and cations Y are present

An atom forms face centred cubic crystal with density d=8.92 ~g / mL and edge length a=3.6 × 10^ -8 ~cm . The molecular mass of atom in amu is

Iron exhibits BCC structure at room temperature. Above 900 ^ ° C , it transforms to FCC structure. The ratio of the density of iron at room temperature to that at 900 ^ ° C is

ZnO is white when cold and yellow when heated. It is due to the development of

Assertion: The number of tetrahedral voids is double the number of octahedral voids. Reason: The size of the tetrahedral voids is half of that of the octahedral void.

A solid A B has NaCl structure. If the radius of cation A^ + is 170 pm , then the maximum possible radius of the anion B^ - is

A cubic unit cell of a metal with molar mass of 63.55 ~g ~mol^ -1 has an edge length of 362 pm . Its density is 8.92 ~g ~cm^ -3 . The type of unit cell is

Which is the incorrect statement?

If an atom crystallises in b c c lattice with r=4 Å then the edge length will be

If oxide ions are arranged in hcp and the aluminium ions occupy two thirds of octahedral voids. What will be the formula of the compound?

In calcium fluoride, having the fluorite structure, the coordination numbers for calcium ion (C a ^ 2 + ) and fluoride ion ( F ^ - ) are

Lithium has a bcc structure. Its density is 530kg m ^ - 3 and its atomic mass is 6.94gmo l ^ - 1 . Calculated the edge length of a unit cell of Lithium metal. ( N _ A = 6.02 × 10

The ionic radii of A ^ + and B ^ - ions are 0.98 × 10 ^ - 10 m and 1.81 × 10 ^ - 10 m . The coordination number of each ion in AB is

The yellow colour in NaCl crystals is due to

Which of the following is an amorphous solid?

The Ca^ 2+ and F^ - are located in CaF_2 crystal respectively at face-centred cubic lattice points and in