Question

Which of the following statement is (are) correct
A. The coordination number of each type of ion in CsCl crystal is 8
B. A metal that crystallizes in bcc structure has a coordination number of 12
C. A unit cell of an ionic crystal shares some of its ions with other unit cells
D. The length of the unit cell in NaCl is 552 pm $(r_{N{a}^{+}}=95pm;r_{C{l}^{-}}=181pm)$

• A. B,C
• B. A,C,D
• C. C,D
• D. Only D

Answer 1

The correct option is B A,C,D

A metal that crystallizes in bcc structure has a co-ordination number of 8.

Only B is incorrect.