ochem

Question 1

organic compounds

Answer 1

carbon is the principal element

Question 2

aliphatic hydrocarbons

Answer 2

linear branched/rings of carbon

Question 3

aromatic hydrocarbons

Answer 3

consist of closed rings of carbon atoms that are based on benzene

Question 4

Hydrocarbons can be saturated or unsaturated

Answer 4

saturated: contain only single bonds btwn its carbon atoms and are filled with max number of H

unsaturated: contain double/triple bonds and therefore, less H

Question 5

can aromatic be saturated or unsaturated

Answer 5

no, only aliphatic can

Question 6

alkanes

Answer 6

hydrocarbons with only single bonds
- occur in homologs series, successive compounds differs by CH2

• non polar covalent bonds and the forces between alkanes are weak

Question 7

alkyl groups

Answer 7

1+ carbon atoms that form a branch off the main chain of a hydrocarbon, they are a substiutient group that replaces hydrogen

Question 8

alkyl halides

Answer 8

alkane contains a halogen is called an alkyl halide

Question 9

properties of alcohols

Answer 9

• higher boiling point than alkanes
  (more polar bc of OH)
• smaller alcohols are most soluble in polar compounds
• long chain alcohols have a longer chain of non polar hydrocarbon chain
• therefore, alcohols can dissolve non polar and polar stuff well

Question 10

benzene with one OH

Answer 10

phenol

Question 11

ethers

Answer 11

oxygen atom between two carbon atoms

Question 12

properties of ethers

Answer 12

• polar C-O bonds and the bent structure
• more polar than alkanes, but no H bonds unlike alcohols
  -boiling points are slightly higher than similarly sized alkanes but slightly lower than alcohols
• good organic solvent

Question 13

thiols

Answer 13

organic compound with sulfurhydrl group
- low bp compared to alcohol