Which statement is true?

As hydrocarbons increase in atoms so does their mass

The melting point of alkanes increases as chain increases because

The larger the chain the more dispersion forces present

From the name, what is known about propene?

The hydrocarbon contains 3 carbon atoms, The hydrocarbon contains a double bond

Alkanes are referred to as 'saturated' hydrocarbons, this is because

They are bonded to as many hydrogens possible

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HYDROCARBONS

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What do we know about #hydrocarbons, what should we freshen up on?

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Questions 14

Answers

1
We source our energy from hydrocarbons through
Combustion
Addition
Esterification
Distillation
2
Hydrocarbons containing only single bonds are classified as
Alkenes
Alcohols
Alkynes
Alkanes
3
Which statement is true?
The larger the hydrocarbon chain is the more volatile it is
Smaller hydrocarbon chains = greater dispersion forces
Hydrocarbons are inorganic, derived from fossil fuels
As hydrocarbons increase in atoms so does their mass
4
We extract hydrocarbons from the Earth using
Fractional distillation
Distillation
Esterification
The Force
5
The molecular formula for an alkane is
CnH2n
CnH2n+2
CnH2n-2
6
I am aware that tomorrow's lesson is in the chemistry lab
True
False
7
I like learning about hydrocarbons
False
True
8
The melting point of alkanes increases as chain increases because
The polarity of the chains increase
The longer the chain the less dispersion forces are present
The larger the chain the more dispersion forces present
The polarity of the chains decrease
9
From the name, what is known about propene?
The hydrocarbon contains a triple bond
The hydrocarbon contains 3 carbon atoms
The hydrocarbon contains a double bond
The hydrocarbon is saturated
10
Alkanes are referred to as 'saturated' hydrocarbons, this is because
They are light weight and can hold moisture
They are bonded to as many hydrogens possible
Friedrich Wöhler accidentally formed urea
The double bonds allow for at least one hydrogen bond
11
Which two elements make up hydrocarbons?
Oxygen and hydrogen
Carbon and hydrogen
Carbon and oxygen
Hydrogen and atmospheric nitrogen
12
The molecular formula of an alkane having four carbon atoms is
C4H14
C4H10
CH3
C4H12
13
Carbon can sometimes form rings, the most common unsaturated ring is
Hexane
Cyclohexane
Phenyl
Benzene
14
Which of the hydrocarbons undergo addition reactions?
Alkenes and alkynes
Alkenes and alkanes
Alkynes and alkynes
Alkanes and alkynes

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