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Assertion: Hexagonal close packing in mo...

Assertion: Hexagonal close packing in more light than cubic close packing.
Reason: Hexagonal close packing has C.N of 12 whereas cubic close packing has C.N. of 8.

A

If both assertion and reason are correct and reason is correct explanation for assertion

B

If both assertion and reason are correct but reason is not correct explanation for assertion

C

If assertion is correct but reason is incorrect

D

If both assertion and reason are incorrect

Text Solution

Verified by Experts

The correct Answer is:
D
Correct Assertion: Both hexagonal and cubic close packing are equally tight (occupied space =`74%`)
Correct Reason: The co-ordination number in both the cases is 12.
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