Recent questions and answers in States of Matter: Solid State

In a solid AB having the NaCl structure A atoms occupy the corners of the cubic unit cell . If all the faces centred atoms along one of the axis are removed then the resultant stoichiometry of the solid is

answered Apr 22, 2018 by sagarkh459

2 answers

The Vacant space in body centered cubic lattice b.c.c unit cell is about

answered Jun 20, 2017 by cuteanupriya.1bhatnagar

2 answers

In basic solution, $CrO_4^{2–}$ oxidises $S_2O_3^{2–}$ to form $Cr(OH)_4^{–} \& SO_4^{2–}$. The volume of $0.15\; M CrO_4^{2–}$ required of react with $40\; ml$ of $0.225\;M \;S_2O_3^{2–}$ would be :

answered Jan 18, 2016 by meena.p

1 answer

How we calculate the number of unit cells of diamond in 960 amu of carbon

asked Jul 6, 2015 by sainiramsingh2015

0 answers

What makes Alkali metal halides sometimes coloured, which are otherwise colourless

answered Mar 10, 2015 by sharmaaparna1

1 answer

A metal crystallises into two cubic phases,face centred cubic (FCC) and body centred cubic (BCC),whose unit cell length are 3.5 and $3.0A^{\large\circ}$,respectively.Calculate the ratio of densities of FCC and BCC.

answered Jul 17, 2014 by sreemathi.v

1 answer

Chromium metal crystallises witha body-centred cubic lattice.The length of the unit cell edge is found to be 287pm.Calculate the atomic radius.What would be the density of chromium in $g/cm^3$?

answered Jul 17, 2014 by sreemathi.v

1 answer

A unit cell of sodium chloride has four formula units.The edge length of the unit cell is 0.564nm.What is the density of sodium chloride?

answered Jul 17, 2014 by sreemathi.v

1 answer

A sample of wustite $Fe_xO$ contains one Fe(III) for every three Fe(II).Calculate the value of $x$

answered Jul 17, 2014 by sreemathi.v

1 answer

LiI occurs as cubical-closest packing.If the edge length of a unit cell is 624 pm,determine the ionic radii of $Li^+$ and $I^-$ ions.

answered Jul 16, 2014 by sreemathi.v

1 answer

$KCl$ crystallizes in the same type of lattice as does $NaCl$.Givn that $\large\frac{r_{Na^+}}{r_{Cl^-}}$$=0.5$ and $\large\frac{r_{Na^+}}{r_{K^+}}$$=0.7$.Calculate the ratio of the side unit cell for $KCl$ to that for $NaCl$,and the ratio of density of $NaCl$ to that of $KCl$

answered Jul 16, 2014 by sreemathi.v

1 answer

If the radius of $Cs^+$ is 169pm and that of $Cl^-$ is 181pm,predict the structure of CsCl.What is the coordination number of $Cs^+$ ion?

answered Jul 16, 2014 by sreemathi.v

1 answer

A solid $A^+B^-$ has an NaCl type closest packed structure.If the radius of the anion is 250pm,what is the radius of the cation?

answered Jul 16, 2014 by sreemathi.v

1 answer

The atomic radius of strontium is 215pm and it crystallizes with a cubical closest-packed structure.Calculate the density of strontium.The molar mass of strontium is $87.6gmol^{-1}$.

answered Jul 16, 2014 by sreemathi.v

1 answer

Caesium chloride may be considered to form interpenetrating simple primitive cubic crystals.The edge length of unit cell is 412pm.Determine the ionic radius of $Cs^+$ if the ionic radius of $Cl^-$ is 181pm.Given :M(Cs)=$133gmol^{-1}$

answered Jul 16, 2014 by sreemathi.v

1 answer

Caesium chloride may be considered to form interpenetrating simple primitive cubic crystals.The edge length of unit cell is 412pm.Determine the density of CsCl.Given :M(Cs)=$133gmol^{-1}$

answered Jul 16, 2014 by sreemathi.v

1 answer

The edge length of a cubic unit cell of metallic calcium is 556pm.If the density of calcium is $1.54gcm^{-3}$ and its molar mass is $40.08gmol^{-1}$,calculate the radius of calcium atom

answered Jul 16, 2014 by sreemathi.v

1 answer