What is the correct order of prefixes for hydrocarbons?

meth, eth, prop, but, pent, hex, hept, oct, non, dec

Organic chemicals can form structural isomers. This means that they....

have the same chemical formula but different structures.

Which intermolecular forces hold non-polar molecules together?

Dispersion forces due to the instantaneous dipole-dipoles

Hydrogen bonding only occurs between hydrogen and oxygen, nitrogen or fluorine because they...

are small, electronegative atoms with two electron shells

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Intermolecular forces, carbon allotropes, carbon nanoparticles, naming hydrocarbons, polarity

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Year 11 Chemistry covering a lot of the topics.

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Questions 11

Answers

1
Dodgy chemistry joke: What happens when a polar bear goes in the water?
Its belly gets fuller e'en if it only catches one fish.
It gets in alkynes of trouble
It gets wet. Duh.
It dissolves
2
What is the correct order of prefixes for hydrocarbons?
eth, meth, prop, but, pent, hex, hept, oct, non, dec
meth, eth, but, prop, pent, hex, hept, oct, non, dec
meth, eth, prop, but, pent, hex, hept, oct, non, dec
meth, dec, prop, but, pent, hex, hept, oct, non, eth
3
Which of the following is not a type of intermolecular force?
Hydrogen bonding
Covalent bonding
Dispersion forces
Dipole-dipole
4
Organic chemicals can form structural isomers. This means that they....
are composed of different allotropes of carbon.
have the same structure but a different chemical formula.
are composed of different allotropes of hydrogen.
have the same chemical formula but different structures.
5
Which of the following is not an allotrope of carbon?
Graphene
Diamond
Fullerenes
Ethene
6
Which elements are involved in hydrogen bonding?
C, H, O, N, F
C, O, N, F
H, O, N, F
H, C, O, N
7
Which intermolecular forces hold non-polar molecules together?
Dispersion forces from the non-polar molecules charged ends
Dipole-dipole from the non-polar molecules charged ends
Dispersion forces due to the instantaneous dipole-dipoles
Dipole-dipole due to the instantaneous dispersion forces
8
A molecule's polarity determines what it dissolves in. Which molecules would not be compatible?
Propane in decane
Ammonia in water
Pentane in water
Tetrachloromethane in water
9
Hydrogen bonding only occurs between hydrogen and oxygen, nitrogen or fluorine because they...
are large, metallic atoms that act like carbon
can form double covalent bonds using their lone pairs
are less electronegative than hydrogen but more than neon
are small, electronegative atoms with two electron shells
10
What is the formula of propane?
C3H8
C3H6
C4H10
C3H4
11
The correct name for the pictured molecule would be:
3-ethyl-2,4-dimethylhexane
Decane
2,3,4-isodecane
4-methyl-3-isopropylhexane

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