19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
In NaCl lattice the radius ratio is Na Cl r r =
How many chloride ions are there around sodium ion in sodium chloride crystal.
The structure of MgO is similar to NaCl. What would be the coordination number of magnesium.
In NaCl lattice the coordination number of Cl– ion is
The two dimensional coordination number of a molecule in square close packed layer is
The number of octahedral voids in a unit cell of a cubical closest packed structure is
In CsCl lattice the coordination number of Cl– ion is
If the coordination number of Ca2+ in CaF2 is 8, then the coordination number of F– ion would be
What is the coordination number of sodium in Na2O
The unit cell of a NaCl lattice
The unit cell of a binary alloy composed of A and B metals, has ccp. Structure with A atoms occupying the corners and B atoms occupying centres of each face of the cube. If during the crystallisation of this alloy, in…
Which of the following statements is not true about NaCl structure
Contribution of each atom per unit cell at face centre in a fcc unit cell is
What is the coordination number of body centre cubic lattice?
In hcp arrangement, the number of nearest neighbours are
An element has a body-centred cubic (bcc) structures with a cell edge of 444 pm. The density of the element is 7.2 g/cm3. How many atoms are present in 404 g of the element?
Which of the following fcc structure contains cations in alternate tetrahedral voids ?
Identify the incorrect statement.
The formula for determination of density of unit cell is (a) a N g cm N M A x x (b) M g cm a N A Z x x (c) a M g cm N N A x x (d) M N g cm a N A x x
If the number of atoms per unit cell in a crystal is 2, the structure of crystal is
The number of atoms per unit cell of bcc structure is [Kerala CEE 2009]
Which one of the following forms a molecular solid when solidified?
An atom forms face centred cubic crystal with density d = 8.92g/mL and edge length a 3.6 10 cm x . The molecular mass of atom in amu is (JIPMER 2018)
In a crystalline solid, having formula XY2O4, oxide ions are arranged in cubic close packed lattice while, cations X are present in tetrahedral voids and cations Y are present in octahedral voids. The percentage of te…
A given metal crystallises out with a cubic structure having edge length of 361 pm. If there are four metal atoms in one unit cell, What is the radius of one atom? (AIPMT 2015)