Co-Ordination Compounds Question 81
Question: One mole of the complex compound $ Co{{(NH_3)}_5}Cl_3, $ gives 3 moles of ions on dissolution in water. One mole of the same complex reacts with two moles of $ AgNO_3 $ solution to yield two moles of $ AgCl,(s) $ . The structure of the complex is
[AIEEE 2003]
Options:
A) $ [Co{{(NH_3)}_5}Cl],Cl_2 $
B) $ [Co{{(NH_3)}_3}Cl_3].,2NH_3 $
C) $ [Co{{(NH_3)}_4}Cl_2],Cl,.,NH_3 $
D) $ [Co{{(NH_3)}_4}Cl],Cl_2.,NH_3 $
Show Answer
Answer:
Correct Answer: A
Solution:
$ 2C{l^{-}} $ ions are ionizable
$ \therefore ,[ Co{{(NH_3)} _5}Cl ]Cl_2 $ ⇌ $ \underbrace{{{[Co{{(NH_3)} _5}Cl]}^{,2+}}+2C{l^{-}}} _{3\text{ ions}} $
$ 2C{l^{-}}+2AgNO_3\to 2AgCl+2NO_3^{-} $ .
