Co-Ordination Compounds Question 225
Question: Which of the following complexes have a maximum number of unpaired electrons?
Options:
A) $ [Ni{{( CO )}_4}] $
B) $ {{[Co{{( NH_3 )}_4}{{( NO_2 )}_2}]}^{+}} $
C) $ {{[ Ag{{( CN )}_2} ]}^{-}} $
D) $ {{[ CuBr_4 ]}^{2-}} $
Show Answer
Answer:
Correct Answer: D
Solution:
$ Ni{{(CO)} _4};{\mu _{eff}}=0 $
$ {{[Co{{(NH_3)} _4}{{(NO_2)} _2}]}^{+}};{\mu _{eff}}=0 $
$ [ Ag{{( CN )} _2} ];{\mu _{eff}}=0 $
$ {{[CuBr_4]}^{2-}};{\mu _{eff}}=1.732,BM $
