A compound of formula A₂B₃ has the hcp lattice... | Solid State | JEE Main 2019

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JEE MAIN 2019

10-01-2019 S2

Question

A compound of formula A2B3 has the hcp lattice. Which atom forms the hcp lattice and what fraction of tetrahedral voids is occupied by the other atoms:

Select the correct option:

A

hcp lattice - $\mathrm{B}, \frac{1}{3}$ Tetrahedral voids - A

B

hcp lattice - A, $\frac{2}{3}$ Tetrahedral voids - B

C

hcp lattice - B, $\frac{2}{3}$ Tetrahedral voids - A

D

hcp lattice - $A, \frac{1}{3}$ Tetrahedral voids - $B$

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Solution

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