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

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)

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)