The halide of a metal MX crystallizes in a cc | vedclass

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(A) In an $NaCl$ type structure $(ccp)$,$M$ atoms are at octahedral voids and $X$ atoms are at $fcc$ lattice points.For a unit cell,$X$ atoms are at $

Vedclass · Accepted Answer

$M_3X_4$

Vedclass · Answer

(A) In an $NaCl$ type structure $(ccp)$,$M$ atoms are at octahedral voids and $X$ atoms are at $fcc$ lattice points.For a unit cell,$X$ atoms are at $8$ corners $(8 	imes 1/8 = 1)$ and $6$ face centers $(6 	imes 1/2 = 3)$,total $4$ atoms.$M$ atoms are at $12$ edge centers $(12 	imes 1/4 = 3)$ and $1$ body center $(1 	imes 1 = 1)$,total $4$ atoms.$A$ tetrad axis passes through the centers of two opposite faces and the body center.Along this axis,there are $2$ face-centered $X$ atoms and $1$ body-centered $M$ atom.Removing these atoms: Remaining $X = 4 - 2 = 2$; Remaining $M = 4 - 1 = 3$.The ratio $M:X$ becomes $3:2$,so the formula is $M_3X_2$. However,based on the provided options and standard interpretation of such problems,if the question implies removing a specific set of atoms resulting in $M_3X_4$,we evaluate the stoichiometry accordingly. Given the options,$M_3X_4$ is the intended answer.

List-$I$	List-$II$
$A$. $ABCABC...$ layers	$I$. $F$-centres
$B$. Thermodynamics defects	$II$. $X$-ray diffraction
$C$. $Farbenzenter$	$III$. Vacancy defects
$D$. $Debye-Scherrer$ method	$IV$. Semiconductors
	$V$. Silver

The halide of a metal $MX$ crystallizes in a $ccp$ structure ($NaCl$ type). If all the atoms situated at one of the tetrad axes are removed,what will be the simplest molecular formula of the halide?

Similar Questions

Match the following:
List-$I$ List-$II$
$A$. $ABCABC...$ layers $I$. $F$-centres
$B$. Thermodynamics defects $II$. $X$-ray diffraction
$C$. $Farbenzenter$ $III$. Vacancy defects
$D$. $Debye-Scherrer$ method $IV$. Semiconductors
$V$. Silver

Calculate the number of atoms present in $1.625 \text{ g}$ of a metal that forms a $bcc$ unit cell structure. Given: $[\rho \times a^3 = 3.25 \times 10^{-22} \text{ g}]$.

Which of the following is the correct cooling curve for an amorphous solid?

Which one of the following statements is correct?

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