The coordination number of the Ba²⁺ ions in barium fluoride is 8. The coordination number of the fluorie ion… · ABC26IN0445
Subject: Inorganic Chemistry · Chapter: Main Group Elements · Topic: Main Group Element – General · Exam: GATE 2005-2021 · Marks: 2 · Difficulty: Medium
The coordination number of the $\mathrm{Ba}^{2+}$ ions in barium fluoride is 8 . The coordination number of the fluorie ion is:
(a)8
(b)4
(c)1
(d)2 .
Answer
Answer: B ✓ checked by 4AB · confidence high
Explanation
Fluorite structure MX₂: CN(M) : CN(X) = 2 : 1, so F⁻ is 4-coordinate (b).