NEET Solved Paper 2019 Question 29
Question: 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: [NEET 5-5-2019]
Options:
A) $ C _3A _4 $
B) $ C _4A _3 $
C) $ C _2A _3 $
D) $ C _3A _2 $
Show Answer
Answer:
Correct Answer: A
Solution:
Solid state C : A
75% O.V. : (HCP)
$ 6\times \frac{75}{100} $ : 6
$ \frac{3}{4} $ : 1
3 : 4
$ C _3A _4 $
