KCET 2021 Chemistry Solved Paper

Given, chrysoberyl forms ccp structurc.
Oxygen occupies lattice points =N( say )
Al occupies

1

2

of octahedral voids =

N

2

Be occupies

1

8

of tetrahedral voids =

2N

8

∴ The formula of compound is
Be:Al:O

2N

8

:

N

2

:N
⇒ BeAl2O4