Intro to Organic Molecules & Nomenclature Part1.

1.            Which of the following is incorrect?

 

I. H₂O is an example of organic compound.

II. CO and CO₂ are classified as inorganic compounds.

III. Organic compounds contain complex structure and high molecular weights.

IV. Organic compounds are soluble in organic solvents and also in water.

• A. I only

• B. I and II

• C. I and III

• D. I and IV

• E. I, II and IV

What would be the name of a compound with a seven carbon chain with a methyl branched out at carbon 2?

• A. 6-methylheptene

• B. 6-methylheptane

• C. 2-methylheptene

• D. 2-methylheptane

• E. 1-methylheptene

Name the compound:

I. 2-ethyl-5-methyl-5-propylpentane

II. 2,6-ethylhexane

III. 2,2,5 - trimethyloctane

IV. 2-ethyl-5-propylhexane

V. 7-ethyl-5-methyloctane

• A. IV

• B. III

• C. I

• D. V

• E. II

Name the compound:

• A. 3,4,6,8-tetramethyl,1,7-heptadiene

• B. 3,4,6,8-tetramethyl,2,7-heptadiene

• C. 3,4,6-trimethyl-1,8-octadiene

• D. 3,5,6-trimethyl-1,8-octadiene

• E. None of the above

Name the compound:

I. 2,3-dimethyl-1-ethyl-cyclopentane

II. 3,4-dimethyl-2-ethyl-cyclopentane

III. 4,5-dimethyl-5-ethyl-cyclopentane

IV. 2-ethyl-3,4-dimethyl-cyclopentane

V. 1-ethyl-2,3-dimethyl-cyclopentane

• A. III

• B. II

• C. IV

• D. I

• E. V

What is the name of this compound?

(a)  

What is the name of this compound?

• 7-ethyl-3,4,5-trimethylheptane

• 6-ethyl-3,4,4,5-tetramethylheptane

• No answer

• 2-ethyl-3,4,4,5-tetramethylheptane

What are the two main type of functional groups?

I. Hydrocarbon

II. Aliphatic

III. Aromatic

IV. Hydrocarbon Derivatives

V. Hydrocarbon ring

• A. I only

• B. I and IV

• C. IV only

• D. I, II and IV

• E. I, II, III and IV

Draw the skeletal structure of 2-bromo,5-methyl-3-heptyne

Draw 8-methyl-1,5-decadiyne using condensed structure.