The Solid State - Result Question 11

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

[2019]

(a) C2A3

(c) C3A4

(b) C3A2

(d) C4A3

Show Answer

Solution:

  1. (c)

Oh void (C) : HCP(A)

 No. of ions ⇒6×75100:634:13:4C3A4

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