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Organic Chemistry Functional Groups

Total questions: 41

Worksheet time: 42mins

Name
Class
Date
1.

ROH has the functional group name

a)

Ether

b)

Alcohol

c)

Ketone

d)

Alkyl

2.

How many functional groups are present in the compound?

(a)  

3.

Methanoic acid, shown, has what functional group?

a)

Ketone

b)

halide

c)

phenyl

d)

carboxylic acid

4.

What is it called when a compound only contains carbons and hydrogens?

(a)  

5.

What functional group is present in the compound shown above?

a)

Amide

b)

Amine

c)

Ketone

d)

Ester

6.

Identify the functional group in the compound

a)

Halide

b)

Carboxylic Acid

c)

Ester

d)

Aldehyde

7.

How many functional groups are present?

a)

1

b)

3

c)

5

d)

4

8.

Name this functional group

a)

Amide

b)

Alcohol

c)

Ketone

d)

Aldehyde

9.

What functional group has the general formula NR3

(a)  

10.

Identify the functional group(s) present

a)

Alkyne

b)

Alkene

c)

Alcohol

d)

Amide

11.

Name this functional group

(a)  

12.

Identify the functional group(s) present

a)

Benzyl

b)

ether

c)

phenyl

d)

ester

13.

Explain the difference between a ketone and an aldehyde

(a)  

14.

Identify the functional group

(a)  

15.

Tetracycline has how many alcohol groups present

a)

8

b)

4

c)

6

d)

5

16.

Zoloft is an SSRI that is commonly prescribed to treat anxiety and depression. The structure is shown -- how many functional groups are present?

(a)  

17.

Methylprednisolone is a steroid used to treat immune reactions and inflammation. Identify the functional group(s) present.

a)

Ketone

b)

alkene

c)

alcohol

d)

carboxylic acid

18.

Prozac is another SSRI that is used to treat depression and anxiety. Identify all functional groups present

(a)  

19.
Which of the following functional groups does not have double bonds?
a)
ketones
b)
aldehydes
c)
ethers
d)
carboxylic acids
20.
Which of the following groups can be classified as carbonyls?
a)
aldehydes
b)
ketones
c)

alcohol

d)

amine

21.
Classify the compound based on the functional group present.
a)
alcohol
b)
ketone
c)
ester
d)
ether
22.
Classify the compound based on the functional group present.
a)
alkane
b)
alkene
c)
alkyne
d)
aromatic
23.

Classify the compound based on the functional group present.

(a)  

24.
Which of the following elements must be present in any organic compound?
a)
Carbon
b)
Oxygen
c)
Potassium
d)
Hydrogen
25.

Alkenes are identified by a chain containing:

(a)  

26.

Vancomycin is one of the strongest antibiotics presently used in clinical settings. Based on the structure shown how many amide functional groups are present?

a)

7

b)

4

c)

2

d)

13

27.

Penicillin was one of the first antibiotic used to successfully treat bacterial infections. In fact, its initial success is accredited for saving 10-15% of critically wounded soldiers during WWII. Based on the structure - What functional groups are present?

a)

Ketone

b)

Amide

c)

Alcohol

d)

Carboxylic acid

28.
A molecule has a band at 3500cm-1 and sharp band at 1711cm-1. the molecule is most likely an
a)
amide
b)
ester
c)
alkanol
d)
carboxylic acid
29.
A molecule absorbs IR at a wavenumber of 1720 cm-1.  Which functional group could account for this absorption.
I. aldehydes
II. esters
III. ethers
a)
I only
b)
I and II 
c)
I, II and III 
d)
none of the above
30.
Which of the following could contain a triple bond?
a)
C4H10
b)
C4H8
c)
C4H6
d)
C4H12
31.

The greater the polarity of a bond the_______________its IR absorption

a)

less

b)

greater

c)

more charged

d)

smaller the wavenumber

32.
What part of the atom or molecule does infrared radiation affect
a)
the nucleus
b)
the electrons
c)
the  bonds
d)
the charge
33.
A molecule has a broadband at 3200cm-1 and sharp band at 1711cm-1. the molecule is most likely an
a)
amide
b)
ester
c)

alcohol

d)
carboxylic acid
34.
 molecule than has a broard band at 3400 cm-1 and no sharp peak at around 1680 cm-1
a)
amide
b)
ester
c)

alcohol

d)
carboxylic acid
35.
The infrared spectrum was obtained from a compound and showed absorptions at 2100 cm-1,
1700 cm-1, and 1200 cm-1.  Identify the compound.
a)
CH3COOCH3
b)
C6H5COOH
c)
CH2=CHCH2OH
d)
CH≡CCH2CO2CH3
36.
Non polar symmetrical molecules 
a)
do not absorb IR radiation
b)
absorb IR  radiation
c)
absorb the most IR  radiation
d)
transmit IR radiation
37.

The infrared spectrum of an organic compound is shown.


Which compound produces this spectrum?

a)

butanone

b)

ethanol

c)

pent-2-ene

d)

propanoic acid

38.

The fingerprint region is

a)

different for each organic compound

b)

from 600 - 1500 cm-1

c)

both the above

39.

Ignoring the reagents (the chemicals over and below the arrow), explain how IR spectroscopy will be able to monitor how this reaction progresses. Hint: what is the difference between the starting and final compound?

a)

No way to tell

b)

COOH groups look more like beards while ROH look like a tongue

c)

COOH will only show up around 2500 cm-1

d)

I don't know

40.
a)

there will be a peak around 1700 cm-1

b)

The starting compound will have an alkene peak while the product will not.

c)

Enough Experience you can Identify it by looking at the compound

d)

there will be two peaks around 3000 cm-1

41.

Crysanthemic acid is isolated from flowers and exhibits five signals above 1500 cm-1. Identify the sources of these signals

(a)