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Advanced Inorganic and Coordination Chemistry

Comprehensive quiz covering coordination complexes, transition metal chemistry, electron transfer mechanisms, crystal field theory, and inorganic reaction mechanisms for IIT, CSIR NET, and other competitive exams

23 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following minerals contains calcium and aluminum?

  1. Orthoclase
  2. Themolite
  3. Albite
  4. Anorthite
  5. None of these
Question 2 Multiple Choice (Single Answer)

Which of the following are feldspar minerals?
(A) Celsian
(B) Crystobalite
(C) Heulandite
(D) Anorthite

  1. (A) and (D)
  2. (C) and (D)
  3. (A), (B) and (C)
  4. (C) and (B)
  5. None of these
Question 3 Multiple Choice (Single Answer)

Which of the statements is false about the character of borazine?

  1. Borzine is isoelectronic structure of benzene.
  2. Both borazine and organic benzene are sp2 hybridised.
  3. Borazine is non-polar but benzene is polar.
  4. Partial delocalisation of pi electron occurs in borazine than benzene.
  5. None of these
Question 4 Multiple Choice (Single Answer)

The colour of ____________ is not due to d-d transition.

  1. CrO42-
  2. [Ti(H2O)6]3+
  3. [CoCl4]2-
  4. [Cu(NH3)4]2+
  5. None of these
Question 5 Multiple Choice (Single Answer)

Which of the following statements is true about SN1 reaction mechanism?

  1. Fast step is rate determining step.
  2. It is second order reaction.
  3. It is associative mechanism.
  4. It is unimolecular reaction.
  5. None of these
Question 6 Multiple Choice (Single Answer)

Which of the following compounds shows MLCT transfer?

  1. HgO
  2. CdS
  3. Pb3(SbO4)2
  4. [Ru(2, 2bipyridyl)3]
  5. None of these
Question 7 Multiple Choice (Single Answer)

Which of the following statements is correct about electron transfer outer sphere mechanism?

  1. The reductant and oxidant are labile.
  2. It is faster than inner sphere mechanism.
  3. Both species form bridge intermediate complex.
  4. The reducant and oxidant in transition state remain intact.
  5. None of these
Question 8 Multiple Choice (Single Answer)

(PNCl2)3 react with lead fluoride to form
(A) P4N4Cl4F2
(B) P4N4Cl2F6
(C) (PNF2)3
(D) P3N3

  1. (A) and (B)
  2. (C) and (D)
  3. (A) and (D)
  4. (B) and (C)
  5. None of these
Question 9 Multiple Choice (Single Answer)

Which of the following complexes contains three isomeric forms?

  1. [Pt(NH3)(Py)(Cl)(Br)]
  2. [Pt(en)2(Cl)(Br)]
  3. [Pt(Cl)4]
  4. [Pt(NH3)2(Cl)(Br)]
  5. None of these
Question 10 Multiple Choice (Single Answer)

Which of the following polymers are volan and quilon?

  1. Synthetic coordination polymer
  2. Step-growth polymer
  3. Chain growth polymer
  4. Natural coordination polymer
  5. None of these
Question 11 Multiple Choice (Single Answer)

How many doublet state are possible in [Mn(H2O)6]++ complexes?

  1. 7
  2. 11
  3. 5
  4. 3
  5. None of these
Question 12 Multiple Choice (Single Answer)

When the borazole is pyrolysed above 3400C, which of the following analogues compounds are formed?

  1. B6N6H10 and B5N5H8
  2. B3N3H3Br3 and B5N5H8
  3. B3N3H3Cl3 and B3N3H3Br3
  4. B3N3H3Cl3 and B6N6H10
  5. None of these
Question 13 Multiple Choice (Single Answer)

The zero magnetic moment of octahedral complexes K2NiF6 is due to

  1. low spin 3d6 Ni (IV) complex
  2. low spin 3d8 Ni(II) complex
  3. high spin 3d8 Ni(II) complex
  4. high spin 3d6 Ni (IV) complex
  5. none of these
Question 14 Multiple Choice (Single Answer)

Which of the following complexes X, Y and Z is/are inert or labile?
(X) [V(NH3)6]+++
(Y) = [Co(CN)6]3-
(Z) = [Cr(CN)6]3-

  1. X and Y are inert, Z is labile.
  2. X and Z are labile, Y is inert.
  3. X is inert, Y and Z are labile.
  4. X is labile, Y and Z are inert.
  5. None of these
Question 15 Multiple Choice (Single Answer)

Which of the following is the suitable reagent for the oxidation of Ce+3 into Ce+4?

  1. Bromate in neutral medium
  2. Zinc-amalgam
  3. Ammonium citrate-citric acid
  4. Tri-n-butyl phosphate
  5. None of these
Question 16 Multiple Choice (Single Answer)

The compound, which exhibits Jahn-Teller distortion is __________.

  1. [Mn(H2O)6]2+
  2. [Mn(H2O)6]3+
  3. [Cr(H2O)6]3+
  4. [Fe(CN)6]4-
  5. None of these
Question 17 Multiple Choice (Single Answer)

What is the increasing order of wavelengths of absorption for the complex ions?
(A) [Cr(NH3)6]3+
(B) [CrCl6]3-
(C) [Cr(H2O)6]3+
(D) [Cr(CN)6]3-

  1. D < B < A < C
  2. D < C < B < A
  3. D < A < C < B
  4. B < C < A < D
  5. None of these
Question 18 Multiple Choice (Single Answer)

The electron transfer from [Fe(H2O)6]2+ to [Fe(H2O)6]3+ is likely to occur via.

  1. d-d transition
  2. inner sphere electron transfer
  3. SN1 mechanism
  4. Outer sphere electron transfer
  5. None of these
Question 19 Multiple Choice (Single Answer)

Arrange the following metal complexes in order of their decreasing lability:
(P) [AlF6]3-
(Q) [SiF6]2-
(R) [PF6]1-
(S) [SF6]0

  1. P > Q > R > S
  2. P > R > Q > S
  3. S > R > Q > P
  4. S > Q > R > P
  5. None of these
Question 20 Multiple Choice (Single Answer)

Cis and trans complexes of the type [PtA2X2] are distinguished by __________.

  1. chromyl chloride test
  2. carbylamines test
  3. ring test
  4. the Kurnakov test
  5. none of these
Question 21 Multiple Choice (Single Answer)

The treatment of [PtCl4]2- with two equivalent of NH3 ligand leads to the formation of [Pt(NH3)2Cl2]. The complex is

  1. Trans [PtCl2(NH3)2], due to stronger trans effect of Cl- compared to NH3.
  2. Trans [PtCl2(NH3)2], due to weaker trans effect of Cl- compared to NH3.
  3. Cis [PtCl2(NH3)2], due to weaker trans effect of Cl- compared NH3.
  4. Cis [PtCl2(NH3)2], due to stronger trans effect of Cl- compared to NH3.
  5. None of these
Question 22 Multiple Choice (Single Answer)

The orange colour of Cr2O72- is due to __________.

  1. the metal to ligand charge transfer transition
  2. ligand to metal charge transfer transition
  3. crystal field transition
  4. charge transfer complexes formation
  5. none of these
Question 23 Multiple Choice (Single Answer)

The number of absorption band observed in [Co(H2O)6]2+ and [CoF6]3- respectively are ________.

  1. 1 and 3
  2. 0 and 1
  3. 0 and 3
  4. 3 and 1
  5. None of these
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