ChemistryNEET 2019

Chemistry question

A compound is formed by cation C and anion A. The anions form a hexagonal close-packed (hcp) lattice and the cations occupy 75% of the octahedral voids. The formula of the compound is:

A. $C_{2} A_{3}$
B. $C_{3} A_{2}$
C. $C_{3} A_{4}$ ✓
D. $C_{4} A_{3}$

You have the answer. The worked solution — and why the other three were written — is part of a paid pack.

Last revised 7 Sept 2026. Found a mistake? Tell us — corrections are the fastest thing we act on.

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