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OPEN PRACTICE ORGANIC CHEMISTRY

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Last updated about 1 year ago
54 questions
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Question 1
1.

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

Question 2
2.

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

Question 3
3.

Which of the following is NOT a homologous series?

Question 4
4.

Which one of the following describes a structural formula?

Question 5
5.

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

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.

Select the terms which include functional groups.

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.

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

Question 17
17.

Which of the following is dimethylpropan-1-ol?

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.

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

Question 25
25.

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

Question 26
26.

Which one of the following molecules is an ester?

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.

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?

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.

Is this molecule saturated or unsaturated?

CH2CHCH2CH2CH3

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.

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

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.

Which of these compounds is a saturated hydrocarbon?

Question 49
49.

Which of these compounds is an alcohol?

Question 50
50.

Which of these compounds is an ester?

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.

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