week 7 and 8

Question 1

vanilla flavor

Answer 1

vanillin

Question 2

cinnamon flavor

Answer 2

cinnamaldehyde

Question 3

almond flavor

Answer 3

benzaldehyde

Question 4

spearmint flavor

Answer 4

(R) - Carvone

Question 5

from meadowsweet

Answer 5

salicylaldehyde

Question 6

scent of lemon in certain plants

Answer 6

citronellal

Question 7

made from safrole; odor of heliotrope

Answer 7

piperonal

Question 8

female sex hormones

Answer 8

progesterone

Question 9

male sex hormones

Answer 9

testosterone

Question 10

methanal is also known

Answer 10

formaldehyde

Question 11

ethanal is also known

Answer 11

acetaldehyde

Question 12

propanal is also known as

Answer 12

propionaldehyde

Question 13

common name for propenal

Answer 13

acrolein

Question 14

common name for 2-butenal

Answer 14

crotonaldehyde

Question 15

common name for benzenecarbaldehyde

Answer 15

benzaldehyde

Question 16

systematic name of acetone

Answer 16

2-propanone

Question 17

When it’s necessary to refer to the R–C=O as a substituent, the name is

Answer 17

acyl group

Question 18

–COCH3 is an

Answer 18

acetyl group

Question 19

–CHO is a

Answer 19

formyl group

Question 20

–COAr is an

Answer 20

aroyl group

Question 21

-COC6H5 is a

Answer 21

benzoyl group

Question 22

If other functional groups are present and the double-bonded oxygen is considered a substituent on a parent chain, the prefix used is

Answer 22

oxo

Question 23

(True or false)
aldehydes and ketones have lower boiling points than hydrocarbons of the same molecular weight

Answer 23

false
(higher)

Question 24

(true or false)
aldehydes and ketones have higher boiling points than the corresponding alcohols

Answer 24

false
(lower)

Question 25

which atom allows molecules of aldehydes and ketones to form strong hydrogen bonds to molecules of water

Answer 25

carbonyl oxygen