मराठी
महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

The number of octahedral voids formed in 0.5 mol of a compound forming hcp structure?

Advertisements
Advertisements

प्रश्न

The number of octahedral voids formed in 0.5 mol of a compound forming hcp structure?

बेरीज
Advertisements

उत्तर

Number of particles in 0.5 mol = 0.5 × NA

= 0.5 × 6.022 × 1023

= 3.011 × 1023

∴ Number of octahedral voids = Number of particles

= 3.011 × 1023

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Solid State - Very short answer questions

APPEARS IN

संबंधित प्रश्‍न

The coordination number of atoms in bcc crystal lattice is ______.


Choose the most correct answer.

A compound forms hcp structure. Number of octahedral and tetrahedral voids in 0.5 mole of substance is respectively _______. 


Answer the following in one or two sentences.

Sketch a tetrahedral void.


How are tetrahedral and octahedral voids formed?


Third layer of spheres is added to second layer so as to form hcp or ccp structure. What is the difference between the addition of third layer to form these hexagonal close-packed structures?


An octahedral void is surrounded by ________.


The coordination number of spheres in the hcp lattice in three dimension is ______.


A metal crystallizes in bcc lattice with edge length 4.48 Å. The radius of the metal atom is ___________ Å.


The ratio of close-packed atoms to tetrahedral holes in cubic close packing is ____________.


A compound has fcc structure. If density of unit cell is 3.4 g cm−3, what is the edge length of unit cell?

(Molar mass = 98.99)


In two dimensional AAAA type packing, the coordination number of each sphere is ____________.


Which of the following is CORRECT for the two dimensional arrangement of spheres given below?


Zinc forms hcp structure. What is the number of tetrahedral voids formed in 0.3 mol of it?


The atoms of element 'Y' form hexagonal close packing and the atoms of element X occupies `3/4` th portion of the number of tetrahedral voids. The formula of the compound formed by X and Y is ____________.


Which of the following has hcp crystal structure?


A metallic element crystallizes in simple cubic lattice. If edge length of the unit cell is 3Å, with density 8 g/cc, what is the number of unit cells in 108 g of the metal?
(Molar mass of metal = 100 g/mol)


What is the coordination number of cation in ionic compound if the type of hole occupied by cation is octahedral?


Aluminium crystallises in a cubic close-packed structure with a unit cell edge length of 353.6 pm. What is the radius of Al atom? How many unit cells are there in 1.00 cm3 of Al?


Percentages of free space in cubic close-packed structure and in the body-centered packed structure are respectively ______.


The coordination number of cobalt in the complex [Co(en)2Br2]Clis ______.


The number of octahedral sites per sphere in ccp structure is ______.


How much vacant space is present in hep crystal lattice?


Predict the type of cubic lattice of a solid element having edge length of 400 pm and density is 6.25 g/ml.
(Atomic mass of element = 60)


If the length of the body diagonal of a FCC unit cell is xÅ, the distance between two octahedral voids in the cell in Å is ______.


A metallic crystal crystallizes into a lattice containing a sequence of layers AB AB AB......Any packing of spheres leaves out voids in the lattice. What percentage of volume of this lattice is empty space?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×