6. The name of the following compound is? a. 2-methylheptyne b. 4-methylheptyne

Question

6. The name of the following compound is? a. 2-methylheptyne b. 4-methylheptyne c. 4-methyl-2-heptyne d. 2-propy1-3-pentyne e. 4-propyl-2-pentyne 7. Which of the following is an alkene? a. C10H8 b. C10H18 c. C10H20 d. C9H20 e. C9H16 8. The degree of unsaturation of eicosapentanoic acid, C20H30O2, a constituent of fish oil, is: a. 2 b. 4 c. 6 d. 7 e. 10 9. Dieldrin, Cl2H8Cl6O, a 5-ring compound with no triple bonds, was formerly used as an insecticide. How many double bonds are there in Dieldrin? a. 1 b. 2 c 3 d. 4 e. 6

Explanation / Answer

6. C

7. Alkene molecular formula is Cn H2n . Answer is C.

8. UN = (2C - H + 2)/2 and ignore oxygen, UN = 6, answer is C.

9. A, one double bond

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