Recent questions in States of Matter - Solid State - Clay6.com, a Free resource for your JEE, AIPMT and Board Exam preparation

What is the coordinate number in a square close packed structure in two dimensions .

asked Sep 7, 2015 by meena.p

2 answers

Silicon doped with electron - rich impurity forms :

asked Sep 7, 2015 by meena.p

1 answer

A ferromagnetic substance becomes a permanent magnet when it is placed in a magnetic field because

asked Sep 7, 2015 by meena.p

1 answer

The correct order of packing efficiency in different types of unit cell is

asked Sep 7, 2015 by meena.p

1 answer

Which of the following defect decrease the density ?

asked Sep 7, 2015 by meena.p

1 answer

Frenkel defect is also known as

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1 answer

A compound contains two types of atoms x and y , it crystallizes in a cubic lattice with atoms X at the corners of the unit cell and atoms y at the body centers . The simplest possible formula of this compound is

asked Sep 4, 2015 by meena.p

1 answer

The schottky defects arises due to

asked Sep 4, 2015 by meena.p

1 answer

If a cation leaves a site in a solid lattice, and is located at an interstitial position , the lattice defect is $a/an$

asked Sep 4, 2015 by meena.p

1 answer

When the radius ratio lie between $0.732$ and $0.414$ the arrangement of the crystal is

asked Sep 3, 2015 by meena.p

1 answer

In a ZNS structure :

asked Sep 3, 2015 by meena.p

1 answer

Which of the following expressions is correct for CSCI unit with lattice parameter a?

asked Sep 3, 2015 by meena.p

1 answer

$Nio$ adops a rock- salt structure the coordination number of the $Ni^{2+}$ ion is

asked Sep 3, 2015 by meena.p

1 answer

The h.c.p and c.c.p structure for a given element would be expected to have

asked Sep 3, 2015 by meena.p

1 answer

The fluorite structure shows $8:4$ coordination which of the following show fluoride - like lattices ?

asked Sep 3, 2015 by meena.p

1 answer

Potassium metal crystallizes in the form of a body centered cubic structure . The number of nearest neighbor atom for each potassium atom in the solid is

asked Sep 3, 2015 by meena.p

1 answer

How many atoms are there in one unit cell of a body centered cubic crystal

asked Sep 3, 2015 by meena.p

1 answer

___________ are poor conductor of electricity and therefore are insulators in solid state ?

asked Sep 3, 2015 by meena.p

1 answer

Number of atoms in a unit cell for simple cubic is

asked Sep 3, 2015 by meena.p

1 answer

Which of the following solids shows electrical conduction ?

asked Sep 3, 2015 by meena.p

1 answer

Which one has highest melting point ?

asked Sep 3, 2015 by meena.p

1 answer

In the crystal of $Cscl$ , the nearest neighbours of each $C_s$ ion are

asked Sep 3, 2015 by meena.p

1 answer

When electron are trapped into the crystal in anion vacancy , the defect is known as

asked Sep 3, 2015 by meena.p

2 answers

The crystalline structure of $Nacl$ is

asked Sep 3, 2015 by meena.p

1 answer

The coordination number of a metal crystallizing in a hexagonal close packed (hcp) structure is

asked Sep 3, 2015 by meena.p

1 answer

Close packing is maximum in the crystal lattice of

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1 answer

Which of the following statements is incorrect about amorphous solids ?

asked Sep 3, 2015 by meena.p

1 answer

In calcium fluoride structure , the coordination number of calcium and fluoride ions are :

asked Sep 1, 2015 by meena.p

1 answer

The closest packing sequence ABAB ..... represents

asked Sep 1, 2015 by meena.p

1 answer

Germanium or silicon becomes semiconductor due to

asked Sep 1, 2015 by meena.p

3 answers

The coordinate number for an atom in a primitive cubic unit cell is

asked Sep 1, 2015 by meena.p

1 answer

For tetrahedral coordination number the radius ratio $r_i^+/r_a^-$ is

asked Sep 1, 2015 by meena.p

1 answer

In a closed packed array of N spheres the number of tetrahedral holes is

asked Sep 1, 2015 by meena.p

1 answer

Bragg's law is given by the equation

asked Sep 1, 2015 by meena.p

1 answer

A match box exhibits

asked Sep 1, 2015 by meena.p

1 answer

Which one is not the property of crystalline solid ?

asked Sep 1, 2015 by meena.p

1 answer

Name one soild in which both frenkel and schootty defect occur.

asked Sep 1, 2015 by meena.p

1 answer

Which point defect lowers the density of a crysal ?

asked Sep 1, 2015 by meena.p

1 answer

How can a material be made amorphous ?

asked Sep 1, 2015 by meena.p

1 answer

What type of defect can arise when a solid is heated .

asked Sep 1, 2015 by meena.p

1 answer

Which of the following lattices has the highest packing efficiency .

asked Sep 1, 2015 by meena.p

1 answer

What is the two dimensional coordination number of a molecule in square close packed layer ?

asked Sep 1, 2015 by meena.p

1 answer

how do metallic and ionic compound substances differ in conducting electricity

asked Jun 30, 2015 by apongchang27

1 answer

if 11g og oxalic acid are dissolved in 500 mL of solution (density =1.1g/ml), what is the mass %of oxaclic acid in the solution?

asked Jun 15, 2015 by sivanya27

0 answers

r atomic mass of gold 197u , atomic radius=0.144nm crystallizes in a face centred cubix unit cell . Determine the density of gold?

asked Jun 15, 2015 by sivanya27

1 answer

r atomic mass of gold 197u , atomic radius=0.144nm crystallizes in a face centred cubix unit cell . Determine the density of gold?

asked Jun 15, 2015 by sivanya27

1 answer

lithium metal has a body centred cubic structure. Its density is 0.53 g cm^-3 and its molar mass is 6.94 g mo^-1. calculate the volume of a unit cell lithium metal ?

asked Jun 15, 2015 by sivanya27

1 answer

How many unit cells are present in a cube-shaped ideal crystal of NaCl of mass 1.00g.

asked Aug 4, 2014 by sreemathi.v

1 answer

A metallic element has a cubic lattice .Each edge of the unit cell is $2A^{\large\circ}$ .The density of the metal is $2.5gcm^{-3}$ .The unit cells in 200g of the metal are ?

asked Aug 4, 2014 by sreemathi.v

1 answer

At room temperature ,sodium crystallises in a body-centred cubic lattice with $a=4.24A^{\large\circ}$ .The theoretical density of sodium (At.wt of Na=23) is ?

asked Aug 4, 2014 by sreemathi.v

1 answer

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