19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
The interionic distance for caesium chloride crystal will be
In A+ B– ionic compound, radii of A+and B– ions are 180 pm and 187 pm respectively. The crystal structure of this compound will be
For an ionic crystal of the general formula AX and coordination number 6, the value of radius ratio will be
In a solid lattice the cation has left a lattice site and is located at an interstitial position, the lattice defect is
In a Schottky defect,
If the radius of K+ and F– are 133 pm and 136 pm respectively, the distance between K+ and F– in KF is
Ferrous oxide has a cubic structure and each edge of the unit cell is 5.0 Å. Assuming density of the oxide as 4.0 g cm–3, then the number of Fe2+ and O2– ions present in each unit cell will be
How many chloride ions are there around sodium ion in sodium chloride crystal.
The unit cell of a NaCl lattice
Which of the following statements is not true about NaCl structure
In NaCl lattice the radius ratio is Na Cl r r =
The structure of MgO is similar to NaCl. What would be the coordination number of magnesium.
The number of octahedral voids in a unit cell of a cubical closest packed structure is
For the structure given below the site marked as S is a
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
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
What is the coordination number of sodium in Na2O
In NaCl lattice the coordination number of Cl– ion is
In CsCl structure, the coordination number of Cs+ 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
Which kind of defect is shown by the given crystal?
The number of atoms per unit cell of bcc structure is [Kerala CEE 2009]
Bravais lattices are of
The number of formula unit in unit cell of CsCl, type is