Which of the above figure shows only primitive cubic structure of unit cell?

Question

<img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/chemistry/e24120fc905a899791ce27993fa528bb-.png" /> Which of the above figure shows only primitive cubic structure of unit cell? (A) Both (i) and (ii) (B) Both (i) and (iii) (C) Both (ii) and (iii) (D) All of these

Tardigrade Admin · Accepted Answer

Fig. (ii) and (iii) show the structure of primitive cubic unit cell (simple cubic unit cell). Fig. (i) shows the structrure of fcc unit cell.

Q.
Which of the above figure shows only primitive cubic structure of unit cell?

Both (i) and (ii)

Both (i) and (iii)

Both (ii) and (iii)

All of these

Fig. (ii) and (iii) show the structure of primitive cubic unit cell (simple cubic unit cell). Fig. (i) shows the structrure of $f cc$ unit cell.

Q. Which of the above figure shows only primitive cubic structure of unit cell?