NEET UG CHEMISTRY MCQ: SOLID STATE

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Application +4 | -1

In a binary compound, atoms of element

A

form a hcp structure and those of element

M

occupy

2/3

of the tetrahedral voids of the hcp structure. The formula of the binary compound is

View answer and explanation

Correct option: B

{M_4}{A_3}

Option B (

{M_4}{A_3}

) is correct because in an HCP structure, the number of tetrahedral voids is twice the number of atoms, and 2/3 of these voids are occupied by M.

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\mathrm{C}{\mathrm{s}^ + }

\mathrm{C}{\mathrm{I}^ - }

\;0.181\,\,nm

A

B

A

Y