A) 240 pm
B) 60 pm
C) 49.6 pm
D) 290 pm
Correct Answer: D
Solution :
For \[NaCl\] crystal, Radius of cation/radius of anion = 0.414 \[\frac{{{r}_{{{A}^{+}}}}}{{{r}_{{{B}^{-}}}}}=0.414\] \[{{r}_{{{B}^{-}}}}=\frac{{{r}_{{{A}^{+}}}}}{0.414}=\frac{120}{0.414}\] = 290 pmYou need to login to perform this action.
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