OC_Lec 02.3_A

True about functional groups

• Common and specific arrangement of atoms in molecules
• that have characteristic (similar) chemical and physical properties
• Unique and interchangable arrangement of atoms in molecules
• that have dissimilar affinities to nobel gases

Importance of functional groups

• basis for grouping organic compounds into classes
• site of chemical reactions in a molecule
• basis for naming organig compounds
• basis for preferential populance in the atmosphere
• site for ion repulsion in high temperature solutions

Atoms found iun hydrocarbons

• Hydrogen
• Carbon
• Halogens
• Nitrogen
• Oxygen

Elements other than carbon and hydrogen found in organic compounds are called

Organic compounds without functional groups (exception)

• Alkanes
• Alkenes
• Ether
• Ketones

Aliphatic Hydrocarbons

• Alkanes
• Alkenes
• Alkynes
• Cyclic analogs
• Aromatics

True about aromatic hydrocarbons

• Cyclic
• With three double bonds
• containing 6 carbons
• Containing 7 carbons
• With four double bonds

With sulfur

• Thiols
• Sulfides
• Carboxylic Acids
• Ethers

With Halogen

• Organic halides
• alkyl halides
• aryl halides
• aldehydes
• ketones

With Nitrogen

• amines
• amides
• amino acids
• phenols
• ethers