Q- **Which of the following lattices has the highest packing efficiency (i) simple cubic (ii) Body Centred cubic and (iii) Hexagonal close-packed lattice?**

Answer- The Hexagonal closed packed lattices have the highest packing efficiency which is 74 percent. Whereas the Body Centred cubic lattice has 68 percent and the simple cubic lattice has 52.4 percent of packing efficiency.

### Important Questions for Class 12 Students

- What is the two dimensional coordination number of a molecule in square close packed layer
- Distinguish between: (i) Hexagonal and monoclinic unit cell (ii) Face centred and end centred unit cell

### Similar Queries

### Which of the following lattices has the highest packing efficiency * 1 point simple cubic cell body centered cubic cell hexagonal close-packed primitive cell?

Hexagonal close-packed primitive cells have the highest packing efficiency. The packing efficiency of Hexagonal close-packed primitive cells is around 74 per cent. On the other hand, Body Centred cubic lattice has 68 per cent and a Simple cubic lattice has 52.4 per cent packing efficiency.

### Which of the following lattices has the highest packing efficiency simple cubic Body Centred cubic and Hexagonal close-packed lattice

The Highest packing efficiency among these all is in Hexagonal close-packed lattice because in Hexagonal close-packed lattice the packing efficiency is 74% and in the case of simple cubic Body Centred cubic lattice, it is 52% and 68% respectively.