Coordination Compounds - Online Test
Q1. In which of the following compounds the oxidation state of the nickel atom is 0?
Answer : Option A
Explaination / Solution:
CO is neutral ligand so Ni has 0 oxidation state.
Q2. What is the coordination number of chromium in [Cr(NH3)2(H2O2)2]Cl3?
Answer : Option D
Explaination / Solution:
There are 4 ligands attachted so CN= 4.
Q3. Which of the following is non – ionizable?
Answer : Option A
Explaination / Solution:
In A there is no ion present outside the coordination sphere so it is ionizable.
Q4. Which of the following pair contains complex salt and double salt respectively?
Answer : Option A
Explaination / Solution:
[Cu(NH3)4]SO4 this is complex salt while K2SO4Al2(SO4)3.24H2O is double salt.
Q5. In which of the following compounds, the metal is in the lowest oxidation state?
Answer : Option A
Explaination / Solution:
CO is neutral so Mn has zero oxidation state.
Q6. The effective atomic number of Fe in Fe(CO)5 is
Answer : Option A
Explaination / Solution:
26+2(5)=36
Q7. Effective atomic number of Fe in the complex K4[Fe(CN)6] is
Answer : Option B
Explaination / Solution:
26+2(6)-2=36
Q8. The oxidation state of Ag in tollen’s reagent is
Answer : Option A
Explaination / Solution:
oxidation state of Ag in tollen’s reagent is +1.
Q9. Which is not true about a ligand?
Answer : Option B
Explaination / Solution:
Multidentate ligand always act as chelating Ligand
Q10. In which of the following complexes, the nickel metal is in the highest oxidation state?
Answer : Option C
Explaination / Solution:
In A Ni has +4 oxidation state.
