A crystal is made up | Surface Chemistry

JEE MAIN 2020

06-09-2020 S2

Question

A crystal is made up of metal ions $M_1$ and $M_2$ and oxide ions. Oxide ions form a ccp lattice structure. The cation $\mathrm{M}_1$ occupies 50% of octahedral voids and the cation $\mathrm{M}_2$ occupies 12.5% of tetrahedral voids of oxide lattice. The oxidation numbers of $\mathrm{M}_1$ and $M_2$ are, respectively.

Select the correct option:

+ 3, + 1

+ 4, + 2

+ 1, + 3

+ 2, + 4

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution