19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Crystalline solid is
Bravais lattices are of
The number of atoms per unit cell of bcc structure is [Kerala CEE 2009]
The structure of MgO is similar to NaCl. What would be the coordination number of magnesium.
What is the coordination number of sodium in Na₂O
In hcp arrangement, the number of nearest neighbours are
The unit cell of a NaCl lattice
In CsCl lattice the coordination number of Cl– ion is
For the structure of solid given below if the lattice points represent A+ ions & the B– ions occupy all the tetrahedral voids then coordination number of A is
A metal crystallises into a lattice containing a sequence of layer as AB ABAB....... . What percentage of voids are left in the lattice?
If the coordination number of Ca²⁺ in CaF₂ is 8, then the coordination number of F– ion would be
Which of the following statements is not true about NaCl structure
A metal crystallizes in a face-centered unit cell. Its edge length is 0.410 nm. The radius of the metal is
The ratio of close-packed atoms to tetrahedral holes in cubic close packing is
In a cubic lattice of ABC, A atoms are present at all corners except one corner which is occupied by B atoms. C atoms are present at face centers. The formula of the compound is
Copper crystallises in face centred cubic lattice with a edge length of 361pm. What is the radius of copper atom in pm?
The number of tetrahedral voids in the unit cell of a face centred cubic lattice of similar atoms is
A solid A+B– has the B– ions arranged as below. If the A+ ions occupy half of the octahedral sites in the structure. The formula of solid is
In NaCl lattice the radius ratio is Na Cl r r =
In NaCl lattice the coordination number of Cl– ion is
In CsCl structure, the coordination number of Cs⁺ is
The number of octahedral voids in a unit cell of a cubical closest packed structure is
The number of formula unit in unit cell of CsCl, type is
The interionic distance for caesium chloride crystal will be
…A… and …B… are the examples of intrinsic semiconductors. Here, A and B refer to