Co-Ordination Compounds Question 236
Question: In which complex, $ d_{z}2 $ orbital of inner shell is not used in the hybridization of central metal cation
Options:
A) $ Fe{{( CO )}_5} $
B) $ {{[Cu{{(NH_3)}_5}]}^{2+}} $
C) $ {{[Co{{(NH_3)}_6}]}^{2+}} $
D) $ {{[IrF_6]}^{3-}} $
Show Answer
Answer:
Correct Answer: B
Solution:
$ {{[ Cu{{( NH_3 )} _5} ]}^{2+}}\to $ geometry with C.N.= 5 is sq.
pyramidal, $ dsp^{3} $ hybridisation and $ {d_{x^{2}}} _{-y^{2}} $ orbital is used in hybridisation.
[a] $ Fe{{( CO )} _5}\to d _{z}2sp^{3} $
[b] $ [Co{{(NH_3)} _6}]^{2+}\to d^{2}sp^{3} $
[d] $ {{[ IrF_6 ]}^{3-}}\to d^{2}sp^{3} $
