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Arrange the types of arrangement in terms of decreasing packing efficiency.

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in Chemistry – Class 12 by (188k points)
Arrange the types of arrangement in terms of decreasing packing efficiency.

(a) BCC < Simple cubic < CCP

(b) HCP < CCP < BCC

(c) HCP < BCC < Simple cubic

(d) CCP < BCC < HCP

I had been asked this question in a national level competition.

The above asked question is from Solid State topic in portion Solid State of Chemistry – Class 12

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Correct choice is (c) HCP < BCC < Simple cubic

Best explanation: HCP and CCP have the highest packing efficiency of 74% followed by BCC which is 68%. The simple cubic structure has a packing efficiency of 54%.

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