Organic chemistry

• a

• b

• c

• d

• 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

Name this alkane

• Methane
• Ethane
• Propane
• Butane

Which of the following compounds is an example of hydrocarbon?

• CO₂
• C₂H₆
• C₂H₅OH
• CH₃COOH

CH₃ – CH₂ – CH₂ – CH₃

contains _____Quaternary carbon atoms.

• 0

• 2

• 3

• 4

Which formula represents an unsaturated hydrocarbon?

• A
• B
• C
• D

Among the following, the least stable resonance structure

is

• 
• 
• 
• 

• A

• B

• C

• D

• A

• B

• C

• D

is __________.

• aliphatic

• aromatic

• alicyclic

• None of these