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OPEN PRACTICE ORGANIC CHEMISTRY

Last updated about 1 year ago

54 questions

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Question 1

1.

Question 2

2.

Question 3

3.

Question 4

4.

Question 5

5.

Question 6

6.

Provide the IUPAC name of the following molecule:

Question 7

7.

Provide the IUPAC name of the following molecule:

Question 8

8.

Provide the IUPAC name of the following molecule:

Question 9

9.

Provide the IUPAC name of the following molecule:

Question 10

10.

Question 11

11.

Provide the IUPAC name of the following molecule. Please check spelling!

Question 12

12.

Provide the IUPAC name of the following molecule:

Question 13

13.

Chloroform was used as an anaesthetic in surgery many years ago. Today it's a popular choice for kidnappers 😳. Its IUPAC name is trichloromethane.

Write its molecular formula using the MATHS keyboard (click on the keyboard icon in the answer line) to subscript the numbers.

Question 14

14.

Provide the IUPAC name of the following molecule:

Question 15

15.

Provide the IUPAC name of the following molecule:

Question 16

16.

Question 17

17.

Question 18

18.

Provide the IUPAC name of the following molecule.

Question 19

19.

Provide the IUPAC name of the following molecule:

Question 20

20.

To which homologous series does this compound belong?

Question 21

21.

Give the IUPAC name of this carboxylic acid

Question 22

22.

Write the molecular formula of this compound using the MATHS keyboard to subscript the numbers.

Question 23

23.

What is the IUPAC name for the following compound?

Question 24

24.

Question 25

25.

Write the condensed structural formula for the following organic molecule using the maths keyboard to subscript the numbers.

Question 26

26.

Question 27

27.

Provide the IUPAC name of the following molecule:

Question 28

28.

Provide the name of the alcohol that was used to make the following ester:

Question 29

29.

Provide the name of the carboxylic acid that was used to make the following ester:

Question 30

30.

Question 31

31.

Provide the IUPAC name of compound A:

Question 32

32.

Name the homologous series to which compound B belongs:

Question 33

33.

Provide the IUPAC name of compound B:

Question 34

34.

Provide the IUPAC name of an UNBRANCHED ISOMER of compound B.

Question 35

35.

Name the functional group in this molecule:

pentan-2-ol

Question 36

36.

Write the IUPAC name of a POSITIONAL ISOMER of this molecule:

pentan-2-ol

Question 37

37.

Write the IUPAC name of this molecule:

CH2CHCH2CH2CH3

Question 38

38.

Question 39

39.

The structural formula of an organic compound found in pears, raspberries and pineapples is given below:
Provide its IUPAC name.

Question 40

40.

The structural formula of an organic compound found in pears, raspberries and pineapples is given below:
Provide the homologous series

Question 41

41.

The structural formula of an organic compound found in pears, raspberries and pineapples is given below:
Provide the IUPAC name of the organic acid used to make this compound.

Question 42

42.

The structural formula of an organic compound found in pears, raspberries and pineapples is given below:
Provide the IUPAC name of a POSITIONAL ISOMER of this compound.

Question 43

43.

The structural formula of an organic compound found in pears, raspberries and pineapples is given below:
Provide the IUPAC name of a FUNCTIONAL ISOMER of this compound.

Question 44

44.

Write the IUPAC name of the following compound:

CH2CH3
|
CH3 - C - CH3
|
CH3

Question 45

45.

Question 46

46.

Write the IUPAC name of the following compound:

Question 47

47.

Name the homologous series to which this compound belongs:

Question 48

48.

Question 49

49.

Question 50

50.

Question 51

51.

Write the general formula of the homologous series to which ethane belongs. Use the maths keyboard to subscript.

Question 52

52.

Write the IUPAC name of this compound:

Question 53

53.

Write the condensed structural formula for this compound, using the maths keyboard to subscript.

Question 54

54.

Which of the following descriptions most accurately explains what a hydrocarbon is?

An organic compound with one or more double bonds between carbons.

An organic compound containing only hydrogen and carbon atoms

An organic compound with a unique functional group and formula

An organic compound with single bonds between carbons

An organic molecule with the prefix "pent-", consists of ....

molecules in the shape of a pentagon

5 carbon atoms

5 double bonds

5 atoms

Which of the following is NOT a homologous series?

alkane

hydroxyl

alcohol

carboxylic acid

Which one of the following describes a structural formula?

Shows the way atoms are bonded together without showing all the bonds.

A formula showing the simplest ratio of atoms in a molecule

The formula showing the numbers of each kind of element.

A formula showing all the atoms and their relative positions as well as all the bonds they make with adjacent atoms

A carboxyl group is an example of a .....

Homologous series

Functional group

Polyatomic ion

Carboxylic acid

Select the terms which include functional groups.

double bond

alkene

alkane

single bonds

Which of the following is 3-methylpentan-2-ol?

Which of the following is dimethylpropan-1-ol? 

A carboxyl group is a combination of which TWO functional groups?

hydroxyl

hydroxide

amide

carbonyl

Which one of the following molecules is an ester?

 Isomers are different organic moleucles with the same molecular formula but different structural formula Which of the following molecules is an isomer of this one?

none of these are isomers

Is this molecule saturated or unsaturated?

                 CH2CHCH2CH2CH3

saturated

unsaturated

What is an atom or group of atoms that forms the centre of chemical reactivity in an organic compound called?

homologous series

reactivity core

isomer

functional group

Which of these compounds is a saturated hydrocarbon?

ethyl butanoate

ethane

Which of these compounds is an alcohol?

ethane

ethyl butanoate

Which of these compounds is an ester?

ethane

ethyl butanoate

The molecule drawn below is a chain isomer of which one of the following molecules?

ethylethanoic acid

methylpropanoic acid

2-methylbutanoic acid

butanoic acid