List of top Chemistry Questions on The solid state asked in JEE Main

What are the constituents of Natalite?
Consider all the structural isomers with molecular formula C₃H₅Br are separately treated with KOH(aq) to give respective substitution products, without any rearrangement. The number of products which can exhibit optical isomerism from these is_______.
Which of the following material is not a semiconductor.
A cubic solid is made up of two elements $X$ and $Y$ Atoms of $X$ are present on every alternate corner and one at the center of cube $Y$ is at $\frac{1}{3} rd$ of the total faces. The empirical formula of the compound is

A cubic solid is made up of two elements $X$ and $Y$ Atoms of $X$ are present on every alternate corner and one at the enter of cube $Y$ is at $\frac{1}{3} td$ of the total faces The empirical formula of the compound is

A binary compound has Y-atoms forming FCC unit cell and another type of X-atoms occupying \(\frac{1}{3}\)rd of tetrahedral voids. Find out the molecular formula of the compound

 

Find the number of atoms per unit cell if edge length is 300pm, density = 3 g/cm3 , molecular mass = 40 g(nearest integer)

An atomic substance A of molar mass 12 g mol$^{-1}$ has a cubic crystal structure with edge length of 300 pm. The no. of atoms present in one unit cell of A is _____ (Nearest integer)
A metal 𝑀 forms hexagonal close-packed structure. The total number of voids in 0.02 mol of it is _______ $×10^{21}$. (Nearest integer).
( Given $N_A=6.02×10^{23}$)
The distance between \(Na^+\) and \(Cl^–\) ions in solid \(NaCl\) of density \(43.1\ g\ cm^{–3}\) is ____ \(× 10^{–10}\ m\). (Nearest Integer)
(Given : \(N_A = 6.02 × 10^{23} mol^{–1}\))
In a solid AB, A atoms are in ccp arrangement and B atoms occupy all the octahedral sites. If two atoms from the opposite faces are removed, then the resultant stoichiometry of the compound is AxBy. The value of x is _____. [nearest integer]
Metal M crystallizes into a fcc lattice with the edge length of \(4.0 × 10^{–8} cm\). The atomic mass of the metal is _______ g/mol. (Nearest integer) 
(Use :\( N_A=6.02×10^{23} mol^{-1}\),density of metal , \(M = 9.03 g cm^{- 3}\))
Select the correct statements.
(A) Crystalline solids have long range order.
(B) Crystalline solids are isotropic.
(C) Amorphous solids are sometimes called pseudo solids.
(D) Amorphous solids soften over a range of temperatures.
(E) Amorphous solids have a definite heat of fusion.
Choose the most appropriate answer from the options given below :
The parameters of the unit cell of a substance are a = 2.5, b = 3.0, c = 4.0, $\alpha=90^\circ, \beta=120^\circ, \gamma=90^\circ$. The crystal system of the substance is :
Given below are two statements :
Statement I : Frenkel defects are vacancy as well as interstitial defects.
Statement II : Frenkel defect leads to colour in ionic solids due to presence of F-centres.
Choose the most appropriate answer for the statements from the options given below :

Match items of List - I with those of List - II: 

Choose the most appropriate answer from the options given below : 
 

Match List - I with List - II :

List - I (Metal Ion)List - II (Group in Qualitative analysis)
(a) \( \text{Mn}^{2+} \)(i) Group - III
(b) \( \text{As}^{3+} \)(ii) Group - IIA
(c) \( \text{Cu}^{2+} \)(iii) Group - IV
(d) \( \text{Al}^{3+} \)(iv) Group - IIB

Choose the most appropriate answer from the options given below :

The empirical formula for a compound with a cubic close packed arrangement of anions and with cations occupying all the octahedral sites is $A_x B$. The value of $x$ is ________. (Integer answer)
The coordination number of an atom in a body-centered cubic structure is _________. [Assume that the lattice is made up of atoms.]
A hard substance melts at high temperature and is an insulator in both solid and in molten state. This solid is most likely to be a/an :
In a binary compound, atoms of element A form a hcp structure and those of element M occupy 2/3 of the tetrahedral voids of the hcp structure. The formula of the binary compound is :
'X' melts at low temperature and is a bad conductor of electricity in both liquid and solid state. X i s :
The radius of the largest sphere which fits properly at the centre of the edge of body centred cubic unit cell is : (Edge length is represented by 'a') :
A solid having density of $9 \times 10^3 \; kg \; m^{-3}$ forms face centred cubic crystals of edge length $200 \sqrt{2}$ pm. What is the molar mass of the solid ? [Avogadro constant $\simeq 6 \times 10^{23} \, mol^{-1}, \pi \simeq 3]$
An element has a face-centred cubic (fcc ) structure with a cell edge of a. The distance between the centres of two nearest tetrahedral voids in the lattice is :