A compound ${\rm{CuCl}}$ has face centred cubic structure. Its density is ${\rm{3}}{\rm{.4}}\;{\rm{g}}\;{\rm{c}}{{\rm{m}}^{ - 3}}$. The length of unit cell is :

$5.783\mathop {\rm{A}}\limits^ \circ $

$6.783\mathop {\rm{A}}\limits^ \circ $

$7.783\mathop {\rm{A}}\limits^ \circ $

$8.783\mathop {\rm{A}}\limits^ \circ $

JEE CHEMISTRY MCQ: SOLID STATE

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Application +4 | -1

A compound

\mathrm{CuCl}

has face centred cubic structure. Its density is

\mathrm{3}\mathrm{.4}\;\mathrm{g}\;\mathrm{c}{\mathrm{m}^{ - 3}}

. The length of unit cell is :

View answer and explanation

Correct option: A

5.783\mathop \mathrm{A}\limits^ \circ

Option A (

5.783\mathop \mathrm{A}\limits^ \circ

) is correct because it is calculated using the density formula for a face-centered cubic structure.