Organic Chemistry #1

If an alkane has 20 carbon atoms, how many hydrogen atoms will it have?

• 20
• 22
• 40
• 42

How many hydrogen atoms are in butane

• 4
• 6
• 8
• 10

Name this alkane

• Methane
• Ethane
• Propane
• Butane

Name this compound

• 4-ethyl-2,2-dimethylhexane
• 5-dimethyl-3,3-ethylhexane
• 3-ethyl-5,5-dimethylhexane
• 4-ethyl-2-methylhexane

Name the compound

• hexane
• 2,3-dimethylbutane
• ethylbutane
• 2,2-dimethylbutane

How many covalent bonds will carbon have?

• two
• three
• four
• five

Alkynes are hydrocarbons that contain a ____ bond.

• single
• double
• triple
• cyclic

If the alkyl branch of a parent chain has 3 carbons, it would be called _______. 

• Methyl 
• Ethyl 
• Propyl 
• Butyl 

• 3-ethyl-2,2-dimethyl-3-hexyne
• 4-ethyl-5,5-methyl-2-hexayne
• 4-butyl-2-hexayne
• 4-ethyl-5,5-dimethyl-2-hexyne

What is the structure of 2-methyl pent-2-ene ?

• a
• b
• c
• d