The efficiency of packing is $68 %$ in:

hcp structure

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ccp structure

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fcc structure

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bcc structure

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Solution

The correct option is C bcc structure
$\begin{matrix} FCC or CCP packing efficiency = 74 % HCP Packing Efficiency = 74 % BCC Packing Efficiency = 68 % \end{matrix}$

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Similar questions

68 %

68 %

	Column I (Structure)		Column II (Packing efficiency)
(A)	Simple cubic structure	(i)	68%
(B)	Face centered cubic structure	(ii)	74%
(C)	Body centered cubic structure	(iii)	52%

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