A) \[1.857\times {{10}^{-8}}cm\]
B) \[2.371\times {{10}^{-7}}cm\]
C) \[3.817\times {{10}^{-8}}cm\]
D) \[9.312\times {{10}^{-7}}cm\]
Correct Answer: A
Solution :
Radius of \[Na\](if bcc lattice) \[=\frac{\sqrt{3}a}{4}\]\[=\frac{\sqrt{3}\times 4.29}{4}\] \[=1.8574{\AA}=1.8574\times {{10}^{-8}}cm\]
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