Which of the following lattices has the ...

NCERT Class XII Chemistry
Chapter - The Solid State
Questions with Solutions

Question : 43 of 50

Marks: +1, -0

Which of the following lattices has the highest packing efficiency (i) simple cubic (ii) body-centred cubic and (iii) hexagonal close-packed lattice?

Solution:

(i) Simple cubic - 52%

(ii) Body-centred cubic - 68%

(iii) Hexagonal close-packed - 74%

Hence hcp lattice has the highest packing efficiency.

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