List of top Chemistry Questions on Properties of Solids

A cation vacancy and an anion vacancy in a crystal of type AB is called

The number of atoms per unit cell in FCC is

Which of the following compound has high melting point?

Identify the correct graph for a first-order reaction (A → P) Given:
- \( x \)-axis = time (\( t \))
- \( a \) = Initial concentration of A
- \( (a-x) \) = Concentration of A at time \( t \)

Distilled water boils at 373.15 K and freezes at 273.15 K. A solution of glucose in distilled water boils at 373.202 K. What is the freezing point (in K) of the same solution? (For water, \( K_b = 0.52 \) kg mol\(^{-1}\), \( K_f = 1.86 \) kg mol\(^{-1}\))

0.592 g of copper is deposited in 60 minutes by passing 0.5 amperes current through a solution of copper (II) sulphate. The electro chemical equivalent of copper (II) in g/C is:

Consider the following reactions: \[ \text{Cs} + O_2 (\text{excess}) \rightarrow X \] \[ \text{Cs} + O_2 (\text{limited}) \rightarrow X \] \[ \text{Na} + O_2 \rightarrow Y \] Identify the correct statement about \( X \) and \( Y \).

An element with molar mass \( 2.7 \times 10^{-2} \) kg mol\(^{-1}\) forms a cubic unit cell with an edge length of 405 pm. If its density is \( 2.7 \times 10^3 \) kg m\(^{-3}\), the number of atoms present in one unit cell is: (Given: \( N_A = 6.023 \times 10^{23} \) mol\(^{-1}\))

At 300 K, the vapour pressure of toluene and benzene are 3.63 kPa and 9.7 kPa, respectively. What is the composition of vapour in equilibrium with the solution containing 0.4 mole fraction of toluene?

In which of the following options, the IUPAC name is not correctly matched with the structure of the compound?

Which element has the highest oxidizing potential?

Classify each of the following solids as ionic, metallic and molecular: P$_4$, Ammonium phosphate, Brass, Tetraphosphorus decoxide (P$_4$O$_{10}$), Rb, I$_2$, LiBr

Bragg's law is given by the which of the following equation?

Which of the following has the highest melting point?

The three types of expansion that takes place in solid are

The ionic radii of $A^+$ and $B^-$ ions are $0.98 \times 10^{-10} \, m$ and ${1.81 \times 10^{-10} m}$. The coordination number of each ion in AB is :

Choose the correct statement :

$CaF _{2}$ has been given the name fluorspar. Solid $CaF _{2}$ emits light when heated.

The density of solid argon is $1.65\, g\, per\, cc$ at - $233^\circ C$. If the argon atom is assumed to be a sphere of radius $1.54 \times 10^{-8}\, cm$, what per cent of solid argon is apparently empty space? $(Ar = 40)$

Most crystals show good cleavage because their atoms, ions or molecules are