A) \[209.6\times {{10}^{-24}}c{{m}^{3}}\]
B) \[207.8\times {{10}^{-23}}c{{m}^{3}}\]
C) \[22.3\times {{10}^{-23}}c{{m}^{3}}\]
D) \[209.8\times {{10}^{-23}}c{{m}^{3}}\]
Correct Answer: A
Solution :
| [a] \[({{r}_{p{{b}^{2}}}}+{{r}_{{{S}^{2-}}}})=\frac{a}{2}\] |
| Edge length of unit cell \[=2\times 297pm\] |
| \[=594\times {{10}^{-10}}cm\] |
| Volume of unit cell |
| \[={{(594\times {{10}^{-10}})}^{3}}cm=209.6\times {{10}^{-24}}c{{m}^{3}}\] |
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