BITSAT Chemistry Co Ordination Compounds MCQs

Question: Which of the following complexes has square planar structure?

a) Ni(CO)₄

b)

c)

d)

Answer:

Question: Which of the following complex shows sp₃d₂ hybridization?

a)

b)

c)

d)

Answer:

Question: The hypothetical complex chlorodiaquatriamminecobalt (III) chloride can be represented as

a) [CoCl(NH₃)₃(H₂O)₂ ]Cl₂

b) [Co(NH₃)₃(H₂O)Cl₃]

c) [Co(NH₃)₃(H₂O)₂Cl]

d) [Co(NH₃)₃(H₂O)₃]Cl₃

Answer: [CoCl(NH₃)₃(H₂O)₂ ]Cl₂

Question: The color of CoCl₃.5NH₃.H₂O is

a) Red

b) Orange

c) Orange - yellow

d) Pink

Answer: Pink

Question: The common name of K[PtCl₃(η².C₂H₄)] is

a) Potassium salt

b) Zeise’s salt

c) Complex salt

d) None of these

Answer: Zeise’s salt

Question: Which of the following represents hexadentate ligand?

a) EDTA

b) DMG

c) Ethylenediamine

d) None of the above

Answer: EDTA

Question: Which of the following is paramagnetic ?

a)

b)

c)

d)

Answer:

Question: Some salts containing two different metallic elements give test for only one of them in solution, such salts are

a) Double salts

b) Normal salts

c) Complex salts

d) None of these

Answer: Complex salts

Question: The correct order of magnetic moments (spin only values in B.M.) anong is

a)

b)

c)

d)

Answer:

Question: The pair in which both species have same magnetic moment (spin only value) is :

a)

b)

c)

d)

Answer:

Question: The complex used as an anticancer agent is

a) mer –[Co(NH₃)₃Cl₃]

b) cis –[PtCl₂(NH₃)₂]

c) cis–K₂[PtCl₂Br₂]

d) Na₂CoCl₄

Answer: cis –[PtCl₂(NH₃)₂]

Question: Which of the following is not considered as an organometallic compound?

a) Cis-platin

b) Ferrocene

c) Zeise's salt

d) Grignard reagent

Answer: Cis-platin

Question: The most stable ion is

a) [Fe(OH)₃]^3-

b) [Fe(Cl)₆]^3-

c) [Fe(CN)₆]^3-

d) [Fe(H₂O)₆]³⁺.

Answer: [Fe(Cl)₆]^3-

Question: Which of the following has square planar geometry?

a) [PtCl₄]^2-

b) [NiCl₄]^2-

c) [ZnCl₄ ]^2-

d) [CoCl₄ ]^2-

Answer: [PtCl₄]^2-

Question: Which of the following is wrong statement?

a) Ni(CO)₄ has oxidation number +4 for Ni

b) Ni(CO)₄ has zero oxidation number for Ni

c) Ni is metal

d) CO is gas

Answer: Ni(CO)₄ has oxidation number +4 for Ni

Question: CH₃ – Mg – Br is an organo metallic compound due to

a) Mg – Br bond

b) C – Mg bond

c) C – Br bond

d) C – H bond

Answer: C – Mg bond

Question: Which one of the following complexes is an outer orbital complex ?

a) [Co(NH₃)₆]³⁺

b) [Mn(CN)₆]^4–

c) [Fe(CN)₆]^4–

d) [Ni(NH₃)₆]²⁺

Answer: [Ni(NH₃)₆]²⁺

Question: Which of the following represents hexadentate ligand?

a) EDTA

b) DMG

c) Ethylenediamine

d) None of the above

Answer: EDTA

Question: Some salts containing two different metallic elements give test for only one of them in solution, such salts are

a) Double salts

b) Normal salts

c) Complex salts

d) None of these

Answer: Complex salts

Question: Which of the following is not considered as an organometallic compound?

a) Cis-platin

b) Ferrocene

c) Zeise's salt

d) Grignard reagent

Answer: Cis-platin