TYBSc Chemistry Sem 6 Inorganic Chemistry Question Paper PDF 2026 - Mumbai University | munotes

Questions asked in this paper

• (2) Figures to the right indicate full marks

1. Q1 Attempt any three of the following :—
   • (A) Define crystal field stablisation energy (CFSE). Calculate crystal field stabilisation 5 energy for and d’ configurations in strong field octahedral complexes
   • (B) Discuss crystal field splitting of d orbitals in tetrahedral complexes. 5
   • (C) Explain the effect of the following on the magnitude of 10Dq : 5
   • (a) Charge on metal ion
   • (b) Nature of the ligand
   • (D) Write note on "ESR spectra-a direct evidence of covalent bonding in coordination 5
   • (E) Discuss the construction of ligand group orbitals in an octahedral complex. 5
   • (F) Construct a neat labelled molecular orbital energy level diagram for an octahedral 5
2. Q2 Attempt any three of the following :—
   • (A) Explain the charge transfer transitions occuring in metal complexes. 5
   • (B) Determine the terms for p2 configuration as in carbon atom. 5
   • (C) Draw and explain the Orgel diagram for d2 configuration in octahedral complexes 5 and assign the electronic transitions
   • (D) What is chelate effect ? Explain the role of chelate effect on the stability of the 5 complexes with the help of suitable examples
   • (E) Discuss the possible mechanism involved in the acid hydrolysis of cobalt ammine 5 complexes, with the help of any two evidences
   • (F) Explain the following 5
   • (a) is inert
3. Q3 Attempt any three of the following :—
   • (A) With reference to organometallics of elements of main groups, discuss the method 5 of preparation involving
   • (a) Metallation reaction
   • (B) Discuss the following chemical reactions of organometallic compounds of main 5
   • (a) alkylation or arylation
   • (b) redistribution reactions
   • (C) With reference to ferrocene, discuss the following:
   • (a) Alkylation 2
   • (b) Acylation 3
   • (D) (a) Describe preparation of ferrocene by using Grignard reagent. 3
   • (b) Discuss the physical properties of ferrocene. 2
   • (E) Explain the coupling reactions using Palladium catalyst. 5
   • (F) (a) Discuss the hydroformylation of alkenes. 3
   • (b) Define organometallic compounds. 2
4. Q4 Attempt any three of the following :—
   • (A) (a) What are nanomaterials ? 2
   • (b) State the advantages of chemical methods for preparation of nanomaterials. 3
   • (B) (a) Describe the optical properties of nanomaterials. 3
   • (b) With reference to nanomaterials, discuss any two applications in various fields. 2
   • (C) How can we characterize nanomaterials using UV-visible spectroscopy method? 5
   • (D) Discuss the following radiopharmaceuticals. 5
   • (a) Cobalt — 57 and Cobalt — 60
   • (E) (a) Define coenzymes. 2
   • (b) Name any three metalloenzymes. 3
   • (F) Write note on cis platin in. medicinal field. 5
5. Q5 Attempt the following :—
   • (A) Select and write the appropriate answer. 4
   • (a) In square planar complexes d orbitals of central metal split
   • (i) 2 (ii) 3 (iii) 4
   • (b) having strong ability to expand d election cloud of metal is
   • (i) F (ii) H,O (iii)
   • (c) octahedral complex, the ionic radii of metalion when the electron
   • (i) decreases (ii) increases (iii) does not change
   • (d) the orbitals of a metal ion can form o and in an octahedral
   • (A) State whether the following statements are true or false. 4
   • (p) Crystal field theory (CFT) assumes the interaction between metal and ligand is
   • (q) sp is much smaller
   • (r) The triply degenerate set of d orbitals are suitable for bonding
   • (s) Jahn-Teller distortions are common among octahedral complexes with
   • (B) Select and write the appropriate answer. 4
   • (a) The total number of micorstates for d? configuration
   • (i) 35 (ii) 40 (iii) 45
   • (b) The ground state term for d' configuration
   • (i) 4F (ii) *D (iii) 2D
   • (c) The stability of complexes _~ with the increase in the ionic radii
   • (d) The reactions of the complexes in which oxidation state of the central metal changes with the co-ordinationsphere
   • (B) State whether the following statements are true or false :— 4
   • (p) The total spin multiplicity is given by 2S-1 The total degeneracy of a term is given by (2S + 1) (2L + 1) In thermodynamic sense complexes are termed as labile or inert The main feature of S,2 mechanism is bond making
   • (C) Select and write the appropriate answer. 4
   • (a) Among the following which is not an organometallic compound an organometallic compound is
   • (i)-an electron deficient molecule and is Lewis base
   • (ii) an electron deficient molecule and is Lewis acid
   • (iii) an rich molecule and is oxidising agent
   • (c) The organometallic compound in which a metal atom is between two planar
   • (d) In a C - C bond is formed under palladium catalysis
   • (C) State whether the following statements are true or false. 4
   • (p) Alkyl is dimeric only in benzene solution
   • (s) Hydrolysis of ester using acid alkali is an example of homogeneous catalysis
   • (D) Select and write the appropriate answer. 3
   • (a) which sol particles are interlinked and forms continuous
   • (b) be in space craft and defence equipment because of its
   • (c) The molecule on which the enzyme acts is called
   • (D) State whether the following statements are true or false. 3
   • (p) Fullerenes, dendrimers and quantum dots are three dimensional nanomaterials
   • (q) Nanoparticles of ZnO are used to develop self cleaning glass
   • (r) In apoenzyme like haemoglobin magnesium is prosthetic group

Read from the scan above, so a character or two may differ. The scan is the original.