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Important Questions for "organic chemistry":

[1]

  1. When crystal field splitting energy is and pairing energy is P, when are low-spin complexes formed?
  2. What is formed in the reaction of [PtCl] with two equivalents of ammonia?
  3. What is the electronic ground state term for chromium in [Cr(CN)]?

[2]

  1. Compare the coupling constants (J) for allylic protons and ortho-aromatic protons.
  2. Discuss the PMR signals for CH3-CH2-CH-CH2-COOH.
  3. Interpret the structure of a compound given PMR peaks at 7.22, 3.59, 2.77, and 0.97.

[3]

  1. What are high nuclearity carbonyl clusters (HNCC)? Describe their structure.
  2. Explain Wade's rules and predict the structure of carbonyl clusters.
  3. Discuss the properties and role of Zeise's salt as a transition metal alkene complex.

[4]

  1. Which compounds readily undergo free radical bromination?
  2. Discuss meso-product formation with bromine.
  3. What are structural isomers of alkenes?

[5]

  1. What is the fundamental difference between crystal field theory and ligand field theory?
  2. Describe the energy differences and metal d-orbital orientations for octahedral, tetrahedral, and square planar complexes.
  3. Draw a character table for the H2O molecule.

[6]

  1. Give examples of non-classical carbocations.
  2. Assign R/S configurations to compounds.
  3. State the Hckel rule of aromaticity and its application.

[7]

  1. Explain the role of copper in biological systems.
  2. Discuss the structural features and mechanism carried out by xanthine oxidase.
  3. Discuss the mechanism of action of cytochrome c in electron transfer.

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