1st

Question 1

singlet splitting pattern

Answer 1

1

Question 2

doublet splitting pattern

Answer 2

1:1

Question 3

triplet splitting pattern

Answer 3

1:2:1

Question 4

quartet splitting pattern

Answer 4

1:3:3:1

Question 5

quintet splitting pattern

Answer 5

1:4:6:4:1

Question 6

sextet splitting pattern

Answer 6

1:5:10:10:5:1

Question 7

what is intensity ratio based on

Answer 7

pascal’s triangle

Question 8

pascal’s triangle

Answer 8

1
1 1
1 2 1
1 3 3 1
1 4 6 4 1. keep adding 1 then add previous numbers

Question 9

Hs in the same environment are equivalent to eachother and

Answer 9

will show up as one signal

Question 10

equation for splitting pattern

Answer 10

look at the Hs next to it
n+1 where n is the number of Hs next to it

Question 11

if a H is close to an electronegative atom, where will it’s peak shift to

Answer 11

it will shift to the left!!
away from 0

Question 12

CH2 peak

Answer 12

3-4

Question 13

CH3 peak

Answer 13

1

Question 14

greater peak height

Answer 14

greater amount of Hs in acc molecule
area under curve = amount of H

Question 15

triplet of quartets

Answer 15

3 quartets
each quartet ratio: 1:3:3:1
together the 3 quartets have a ratio of 1:2:1

Question 16

quartet of triplets

Answer 16

4 triplets
each triplet has a ratio of: 1:2:1
in total the triplets have a ratio of: 1:3:3:1
( one has 1, next has 3, next has 3, last has 1)

Question 17

for a triplet u would have 3 peaks! why do u have three peaks in 1:2:1 ratio.

Answer 17

• 2 Hs are aligned with the magnetic field giving it a higher frequency (further from 0)
• 2 Hs are aligned against the magnetic field giving it a lower frequency (closer to 0)
• the middle is higher due to 2 sets of 2 arrows going in opposite directions.

Question 18

same thing but with a quartet!! why is there 4 peaks and why do they have a 1:3:3:1 ratio