Lesson 2 (HC's with pi bonds)

Question 1

Should pi bonds be part of the parent chain even if the chain would be longer without it?

Answer 1

Yes, pi bonds have the highest priority.

Question 2

Name the suffix for double and triple bonds

Answer 2

Double: -ene;
Triple: -yne

Question 3

Do pi bonds have the lowest possible number?

Answer 3

Yes, they do, no matter the branches present

Question 4

What happens when a halogen is a part of a carbon chain branch?

Answer 4

treated like other branches except the suffix is -o instead of -yl.

Question 5

What’s another name for methylbenzene?

Think top of the list

Answer 5

tolvene

Question 6

What’s another name for 1,2-dimethylbenzene?

Think ortho (refers to 1 & 2)

Answer 6

xylene
OR
o-xylene

Question 7

What’s another name for 1,3-dimethylbenzene?

Think meta (refers to 1 & 3)

Answer 7

m-xylene

Question 8

What’s another name for 1,4-dimethylbenzene?

Think para (refers to 1 & 4)

Answer 8

p-xylene