Co-Ordination Compounds Question 224
Question: $ {{[Fe{{(H_2O)}_6}]}^{2+}} $ and $ {{[ Fe{{( CN )}_6} ]}^{4-}} $ differ in:
Options:
A) geometry, magnetic moment
B) geometry, hybridization
C) magnetic moment, colour
D) hybridization, number of d-electrons
Show Answer
Answer:
Correct Answer: C
Solution:
$ F{e^{2+}}in{{[ Fe{{(H_2O)}_6} ]}^{2+}} $ Colour: Pale green $ \mu =4.9B.M $ .;
octahedral $ F{e^{2+}}in{{[ Fe{{(CN)}_6} ]}^{4-}} $ Colour: Yellow; $ \mu =0 $ ; octahedral
