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Assertion: bcc and hcp have same packing...

Assertion: bcc and hcp have same packing efficiency
Reason: Both have same number of atoms per unit cell and same arrangement

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 bcc has `68%` and hcp has `74%` packing efficiency
Correct Reason in bcc 2-atoms are present per unit cell while in hcp 4-atoms are present per unit cell and also have different arrangments
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