Solid State Question 102
Question: For tetrahedral coordination number, the radius ratio $ \frac{{r _{{{c}^{+}}}}}{{r _{{{a}^{-}}}}} $ is
[KCET 2000]
Options:
A) $ 0.732-1.000 $
B) $ 0.414-0.732 $
C) $ 0.225-0.414 $
D) $ 0.155-0.225 $
Show Answer
Answer:
Correct Answer: C
Solution:
For tetrahedral arrangement co-ordination number is 4 and radius ratio $ ({r _{+}}/{r _{-}}) $ is $ 0.225-0.414 $ .
BETA
