Coordination Compounds - Online Test
Q1. Which among the following is an ambidentate ligand?
Answer : Option D
Explaination / Solution:
ONO− and NO2−
Q2. Which of the following represents chelating ligand?
Answer : Option C
Explaination / Solution:
Q3. Ligand en is an example of
Answer : Option D
Explaination / Solution:
Q4. A group of atoms can function as a ligand only when
Answer : Option D
Explaination / Solution:
Ligands are electron donors.
Q5. The coordination number of Cr in [Cr(NH3)3(H2O)3]Cl3 is
Answer : Option D
Explaination / Solution:
Coordination number of the central ion is equal to no. of coordination bonds formed with surrounding ions.
Q6. The oxidation number of Fe in K4[Fe(CN)6] is
Answer : Option B
Explaination / Solution:
CN has charge of –1 charge.
Q7. Which of the following is most likely structure of CrCl3.6H2O if 1/3 of total chlorine of the compound is precipitated by adding AgNO3 to its aqueous solution?
Answer : Option C
Explaination / Solution:
1 mol of Cl is precipitated so 1 Cl will be present outside the coordination sphere.
Q8. The coordination number of the central ion may be obtained from
Answer : Option D
Explaination / Solution:
Coordination number of the central ion is equal to no. of coordination bonds formed with surrounding ions.
Q9. Which of the following complex will give white precipitate with barium chloride solution?
Answer : Option D
Explaination / Solution:
BaSO4 is precipitated when SO42− ion is present outside the coordination sphere.
Q10. The IUPAC name [CoCl(NO2)(en)2]Cl is
Answer : Option A
Explaination / Solution:
Name of ligands name first in alphabetical order followed by anme of central ion.
