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M.Sc. Ist Semester (New/ATKT)
Examination, 2021-22
Chemistry
Paper - MCH-401
Inorganic Chemistry-I
SECTION - 'A'1x15=15
Objective Type Questions
Choose the correct answer :
(i) The Gemetry of [ICl₄]⁻ onion is.
- Square planar
- Octahedral
- Tetrahedral
- Trigonal bipyramidal
(ii) The Bond Angle in NF₃ molecule is
- 107°
- 102.3°
- 134°
- 115°
(iii) A fermi level man be found in
- Within a band
- Within the gap between bands
- Both
- None of these
(iv) The correct relation is
- ΔG° = RT'Log βn
- ΔG° = -RT log βn
- ΔG° = 2.303RT log βn
- None of these
(v) Value of stepwise stability constants generally.
- Increase
- Decrease
- Can't say
- None of these
(vi) The least stable complex is
- [Cu (NH₃)₄]²⁺
- [Cu (en)₂]²⁺
- [Cu (Trien)₂]²⁺
- [Cu (dien)₂]²⁺
(vii) [Co (NH₃)₆]³⁺ Complex is
- Inert
- Lobile
- Both
- None of these
(viii) Lig and group with minimum trans effect.
- CN
- C₂H₅
- NH₃
- H₂O
(ix) Electrophiles are
- Lewis acids
- Lewis Bases
- Both
- None of these
(x) Crystal field theory was produced by.
- Bethe and van vleck
- Orgel
- Pauling
- None of these
(xi) When the ligands are weaker.
- Δ₀ = P
- Δ₀ < P
- Δ₀ > P
- None of these
(xii) The colour of [Ti (H₂O)₆]³⁺ ion is
- Purple
- Green
- Blue
- Yellow
(xiii) The hard acid is
- Mg²⁺
- Ag⁺
- Cu⁺
- Hg²⁺
(xiv) The Hard base is.
- CN⁻
- OH⁻
- SCN⁻
- S₂O₃²⁻
(xv) The soft base is
- NH₃
- RNH₂
- H₂O
- CN⁻¹
SECTION - 'B'5x5=25
Short Answer Type Questions
Write short note on (any one) of the following.
(i) Geometry of NO₃⁻
(ii) Geometry of ClO₄⁻
What do you meant change transfer spectors.
OR
Give dectronic spectrar of [V (H₂O)₆]³⁺.
What is inert complex.
OR
Give energy profile of a Reaction.
What do you mean thy Crystal field theory.
OR
Give examples of tetrahedral complexes.
Write short note on the following (Any one)
(i) Donor
(ii) Acceptor.
SECTION - 'C'9x5=45
Long Answer Type Questions
Give a brief note on VSEPR theory.
OR
Give some reactions of covalently bonded molecules.
Write a detailed note on the following (Any two)
(i) Chelate complexes
(ii) Stability of metal complexes
(iii) Determination of binary formation constant.
What do you meant by conjugate mechanism give different examples.
OR
Explain Electron Transfer Reaction with suitable examples.
Give limitations of crystal field theory.
OR
Explain molecular orbital theory for octahedral complexes by giving suitable examples.
What do you meant by Lewis-Acid-Base reactivity Explain with examples.
OR
Write a detailed essay on Applications of HSAB concept.