Ketone/ Aldehyde details

Question 1

How to name ketone?

Answer 1

• longest chain with ketone carbon involved is parent
• change ending to “-one”

(consider functional group priority list)

Question 2

How to name aldehyde?

Answer 2

• longest chain with aldehyde carbon involved is parent.
• change ending to “-al”
• if an -al chain has ketone substituents, they are named as oxo

Question 3

draw the molecule:

acetone

Answer 3

3 carbon ketone

Question 4

draw the molecule:

formaldehyde

Answer 4

1 carbon aldehyde

Question 5

draw the molecule:

acetaldehyde

Answer 5

2 carbon aldehyde