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organic chemistry revision

Total questions: 41

Worksheet time: 2hrs 55mins

Name
Class
Date
1.

What is a functional group?

a)

Group of atoms that give specific characteristics to a molecule

b)

Group of molecules that give specific characteristics to an atom

c)

Group of molecules that make up a group of atoms

d)

Group of atoms that give specific characteristics to an element

2.

What functional group is -OH

a)

Hydroxyl

b)

Carboxyl

c)

Amino

d)

Carbonyl Ketone

3.

Classify the compound based on the functional group present.

a)

alkane

b)

alkene

c)

alkyne

4.

carboxyl group

a)
b)
c)
5.

Name this carboxylic acid

a)

ethanoic acid

b)

prpoanoic acid

c)

butyl butanoate

d)

butanoic acid

6.

Name this ester

a)

ethyl ethanoate

b)

propyl ethanoate

c)

methyl ethanoate

d)

ethyl methanoate

7.

carboxylic acid + ? --> ester

a)

water

b)

alkene

c)

alcohol

d)

alkane

8.

Name the molecular shape of this molecule.

a)

tetrahedral

b)

octahedral

c)

trigonal bipyramidal

d)

trigonal planar

9.
Which molecule below would have this shape?
a)
BF3
b)
CH4
c)
PCl5
d)
CO2
10.

HCN is a linear molecular geometry. What is the polarity of HCN molecule?

a)

Polar molecule

b)

Non-polar molecule

11.
What is the prefix for four carbons?
a)
meth-
b)
but-
c)
prop-
d)
eth-
12.

Give the name of this compound...

C3H8

a)

Propene

b)

pentane

c)

ethane

d)

Propane

13.

Select the correct structure of hexane

a)
b)
c)
d)
14.
Methyl has the molecular formula
a)
CH4
b)
CH3
c)
CH
d)
CH2
15.
What is an example of an alcohol
a)
ethane
b)
ethene
c)
propanol
d)
acetone
16.

Which homolgous series contains only C-C single bonds?

a)

alkanes

b)

alkenes

c)

alcohols

d)

carboxylic acids

17.

-COO is the functional group for...

a)

alcohols

b)

esters

c)

carboxylic acids

d)

amides

18.

what is IUPAC name of following structure tert. butyl alcohol?

a)

2 - methoxy propane

b)

2 - methyl 2 - propanol

c)

2 - methyl propanol

d)

2 - methoxy butane

19.
How many carbons are in the longest chain?
a)
5
b)
3
c)
1
d)
6
20.
Name the compound
a)
2 - dimethylpropane
b)
2 - methylbutane
c)
2,2 - dimethylpropane
d)
2,2 - dimethylpentane
21.
2 KClO3 → 2 KCl + 3 O2
How many moles of oxygen are produced when 6.7 moles of KClO3 decompose completely?
a)
6.7 mol
b)
1.0 mol
c)
10.1 mol
d)
4.5 mol
22.
2Na + 2H2O → 2NaOH+ H2
How many grams of hydrogen are produced if 120 g of Na are available?
a)
5.2 g
b)
2.6 g
c)
690 g
d)
45 g
23.
 SiO2 + 3C → SiC + 2CO
I need to add 8 moles of Carbon to the reaction. How many grams of Carbon should I weigh?
a)
96 g
b)
0.67 g
c)
2.67 g
d)
48 g
24.
CH4 + 2 O2 → CO2 + 2 H2O
How many moles of carbon dioxide are produced from the combustion of 110 g of CH4?
a)
13.7 mol
b)
2.75 mol
c)
6.11 mol
d)
6.85 mol
25.
Fe (s) + S (l) --> FeS (s)  

In the experiment above, 7.62 g of Fe are allowed to react with 8.67 g of S.
How much FeS is formed?
a)
14.8 g
b)
12.2 g
c)
13.7 g
d)
19.9 g
26.
What information do we look for on the periodic table if we  want to examine intermolecular forces?
a)
atomic mass
b)
atomic number
c)
electronegativity
d)
ionization 
27.

If fluorine has higher electronegativity than carbon, what charge will the fluorine receive?

a)

negative

b)

slight negative

c)

positive

d)

slight positive

28.

Hydrocarbons will have which type of intermolecular forces?

a)

Dispersion

b)

dipole-dipole

c)

hydrogen bonds

d)

ion-dipole

29.

How will the following molecule bond with itself?

a)

Dispersion

b)

Dipole-dipole

c)

Hydrogen bond

d)

ion-dipole

30.

Type of intermolecular force present in I2, Br2, and Cl2.

a)

dipole dipole

b)

Hydrogen bonding

c)

dispersion

d)

metallic

31.
Type of intermolecular force present in HF.
a)
dipole dipole
b)
dispersion
c)
H-bond
d)
ionic
32.
Intermolecular forces are the forces
a)
within molecules
b)
between molecules
33.

Intermolecular force present in HCl?

a)

dipole dipole

b)

dispersion

c)

Hydrogen bonding

d)

ionic

34.
What explains the very high melting and boiling point of water
a)
Strong dipole-dipole bonds between water molecules
b)
Strong hydrogen bonds between water molecules
c)
Dispersion forces which are present in all molecules
d)
Asymmetrical shape of the polar bonds.
35.
Which of the following is a polar molecule?
a)
CH4
b)
Xe
c)
H2O
d)
CO2
36.

Is this molecule polar or non-polar?

a)

Non-polar

b)

Polar

37.
A bond with a partially negative end and a partially positive end is:
a)
ionic
b)
polar
c)
non-polar
d)
isometric
38.
A diatomic molecule like O2 is always_______ because electrons are shared ________.
a)
nonpolar; equally
b)
polar; equally
c)
nonpolar; unequally
d)
nonpolar; unequally
39.
What geometry will this molecular structure have?: PH3
a)
bent
b)
tetrahedral
c)
linear
d)
trigonal pyramidal
40.
Will this molecule be polar or nonpolar? CCl4
a)
polar
b)
nonpolar
41.
Will this molecule be polar or nonpolar? H2S
a)
polar
b)
nonpolar

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