Question

Which of the following statements is not true about $NaCl$ structure.

• A. $Cl^{-}$ions are in fcc arrangement
• B. $Na^{+}$ions has coordination number 4
• C. $Cl^{-}$ions has coordination number 6
• D. Each unit cell contains $4NaCl$ molecules

Answer 1

Answer: (B)

$Na^{+}$ions has coordination number 4

Answer 2

In $NaCl$ crystal $Na^{+}$ ions has coordination number 6.