111年 - [非官方正解]111 國立中山大學_碩士班暨碩士在職專班招生考試_化學系：有機化學及無機化學#126310

1. Which of the following statements is correct? Refer to the structure shown below:

(A) nine 1º carbons, two 2º carbons, two 3º carbons, and two 4º carbons (B) eight 1º carbons, two 2º carbons, three 3º carbons, and two 4º carbons (C) eight 1º carbons, two 2º carbons, one 3º carbons, and two 4º carbons (D) eight 1º carbons, two 2º carbons, two 3º carbons, and two 4º carbons (E) eight 1º carbons, two 2º carbons, two 3º carbons, and one 4º carbons

2. Which of the following has an   INCORRECT   IUPAC name?  (A) (B)(C)(D)(E)

3. Which of the following is   NOT   optically active?  (A) (B)(C)(D)

4. Which of the following nomenclature is INCORRECT? (A)(B) (C)   (D)

5. Which of the following statements is correct?

(A) (i) and (iv) are identical (B) (i) and (ii) are enantiomers (C) (i) and (iii) are enantiomers (D) (ii) and (iv) are diastereomers

6. Which of the following is an   INCORRECT   representation of (2R,3S)-3-Bromo-2-iodopentane? (A)(B)(C)(D)

7. Which of the following is an aromatic compound? (A)(B)(C)(D)

8. Which of the products from the following reactions is INCORRECT?

9. Which of the following choices does   NOT   describe the most stable chair conformation for the structures shown?

(A)(B)(C)(D) CI

10. Which of the following choices does   NOT   depict the correct order of reactivity towards SN1 reaction? (A) (B)(C)(D)

11. Which of the following reactions gives the correct product? OEt worlon le I ma (A)(B)(C)(D)

12. Which of the following reactions does   NOT   give the correct product? (A)(B)(C)(D)

13. Which of the following is an   INCORRECT   reaction? (A)(B)(C)(D)(E)

14. Which of the following is   NOT   in the correct order in terms of acidity? (A)(B)(C)(D)

15. Which of the following reactions does   NOT   give the correct product? (A)(B)(C)(D)

16. Which of the following reactions gives the correct product? (A)(B)(C)(D)

17. The description "The anions form a face-centered cubic packing, and the cations occupy half of the tetrahedral holes formed by the anions." fits to which of the following crystal structures? (A) NaCl structure (B) Anti fluorite structure (C) CsCl structure (D) Wurtzite structure (E) Zincblende structure

18. Which of the following molecules has the highest boiling point? (A) HF(B) HCl (C) H₂O (D) NH₃ (E) CH₄

19. Find the molecule that does not belong to the same point group as the others. (A)(B) H₂O (C) (D) O₃ (E) All molecules belong to the same point group.

20. Which of the following coordination compounds shows the least intense color? (A) (B) (C) (D) (E)

21. The presence of ions can be proven with the formation of an iron thiocyanate coordination compound. When adding an aqueous potassium thiocyanate solution to a solution containing ions, one sees an intense... (A) blue color (B) red color (C) green color (D) violet color (E) yellow color

22. AgX (with X = F, Cl, Br, I) differ in their solubility in water. Which of the compounds has the smallest solubility product in water? (A) AgF (B) AgCl (C) AgBr (D) AgI

23. Which of the following ligands is the "strongest"? (A) Chloro ligand (B) Cyano ligand (C) Aqua ligand (D) Oxo ligand (E) Iodo ligand

24. B10H14 is a borane structure. (A) closo (B) nido (C) arachno (D) hypo (E) clado

25. Na+ ions lead to a very distinct flame coloring. The color is mainly a result of the emission of photons with a wavelength of about.... (A) 380 nm (B) 450 nm (C) 590 nm (D) 730 nm (E) 810 nm

26. In a hexagonal-closed packed structure, the (010) surface and the (001) surface form an angle of... (A) 45° (B) 60° (C) 90° (D) 120° (E) The two surfaces are parallel.

27. The metal d-orbitals of an octahedral coordination compound splits into two different energy levels. Into how many energy levels do the metal d-orbitals of a trigonal-bipyramidal coordination compound split? (A) 1 (B) 2 (C) 3 (D) 4 (E) 5

28. Which of the following half-reactions occurs at the cathode of a Zn|ZnSO₄(1M)||CuSO₄(0.1M)|Cu voltaic cell? (A)(B)(C)(D)(E) None of the above.

29. Give the final product for the reaction sequence shown below.

30. If atoms of the same element occupy both the anion sites and the cation sites of the zincblende structure, one gets which crystal structure?

31. Instantaneous dipoles are responsible for what kind of intermolecular interactions?

32. How many microstates are associated with the ground-state electron configuration of an isolated V atom?

33. When boronic acid is dissolved in water, the solution becomes acidic. Write down a reaction equation to show how boronic acid reacts with water!

34. An isolated F atom has the electron configuration 1s² 2s² 2p⁵. Write down all term symbols associated this electron configuration.

35. If undergoes ligand substitution reaction with two equivalents of , what is the expected main product? Draw the structure of the product and name the product.

36. Draw the structure of ferrocene, and count the number of valence electrons.

37. The d-orbitals of neighboring transition metal atoms can form different types of MOs. Draw each an example for a σ-, π-, δ-orbital formed by two metal d-orbitals.

38. Does show a symmetry or a symmetry? Use molecular orbital diagrams to explain your answer.