A compound M_ p X_ q has cubic close packing (ccp) arrangement of X...

A compound

\mathrm{M}_{\mathrm{p}} \mathrm{X}_{\mathrm{q}}

has cubic close packing (ccp) arrangement of

\mathrm{X}

. Its unit cell structure is shown below. The empirical formula of the compound is A compound M_ p X_ q has cubic close packing (ccp) arrangement of X . Its unit cell structure is shown below. The

A compound M_ p X_ q has cubic close packing (ccp) arrangement of X . Its unit cell structure is shown below. The

Options

A $\mathrm{MX}$
B $\mathrm{MX}_{2}$
C $\mathrm{M}_{2} \mathrm{X}$
D $\mathrm{M}_{5} \mathrm{X}_{14}$

Correct answer

B. $\mathrm{MX}_{2}$

Step-by-step solution

No. of

M

atoms

=\frac{1}{4} \times 4+1=1+1=2

No. of

X

atoms

=\frac{1}{2} \times 6+\frac{1}{8} \times 8=3+1=4

So, formula

=M_{2} X_{4}=M X_{2}

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