C7 Organic Chemistry

Last updated 6 days ago

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4.7.1.1 Crude oil, hydrocarbons and alkanes

4.7.1.1

WS1.1

4.7.1.1

4.7.1.2 Fractional distillation and petrochemicals

4.7.1.2

4.8.1.1

4.8.1.2

4.7.1.2

MS2a

4.7.1.2

4.7.1.3 Properties of hydrocarbons

4.7.1.3

4.7.1.1

4.7.1.3

4.3.1.1

4.7.1.3

4.7.1.4 Cracking and alkenes

4.7.1.4

4.7.2.1 Structure and formulae of alkenes

4.7.2.2 Reactions of alkenes

4.7.2.2

4.7.3.1

4.7.2.2

4.7.2.3 Alcohols

4.7.2.3

4.7.2.4 Carboxylic acids

4.7.2.4

4.7.3 Synthetic and naturally occurring polymers

4.7.3.1

4.7.3.4

4.7.3.2

4.2.2.5

4.7.3.2

4.7.3.4

4.7.3.2

4.7.3.4

4.7.3.2

C7 Organic Chemistry

Last updated 6 days ago

65 Nsɛmmisa

4.7.1.1 Crude oil, hydrocarbons and alkanes

The prefix for 3 carbons is but-

Nokorɛ

Ɛnyɛ ampa

4.7.1.1

The general formula for alkanes is:

C_nH_2-n

C_nH_2n+2

C_nH_2nx2

C_nH_2n

4.7.1.1

Mmuae Afoforo a Wobɛpaw:

C_nH_2n+2

decreases

increases

CH₂

increase

4.7.1.1

Name the alkane

4.7.1.1

Crude oil is a mixture of hydrocarbons. Most of these hydrocarbons are alkanes.
The general formula of an alkane is C_nH_2n+2
Complete the structural formula for the alkane that has six carbon atoms in its molecules.
(This question will not return an answer until it is looked at by Miss Bryant)

4.7.1.1

Crude oil contains a large number of hydrocarbons.
Crude oil is a finite resource.
What is a finite resource?
Tick (✓) one box.

A limited resource

A renewable resource

A sustainable resource

4.7.1.1

What is crude oil formed from?
Tick (✓) one box.

Plankton

Volcanoes

Water

4.7.1.1

This diagram shows a reaction which takes place in an oil refinery.
X, Y and Z are all examples of which type of compound?

4.7.1.1

Suggest one use for compound Z.

4.7.1.1

Match the alkane name to its molecular formula

Draggable item		Corresponding Item
Propane		CH₄
Pentane		C₂H₆
Butane		C₃H₈
Ethane		C₄H₁₀
Methane		C₅H₁₂

4.7.1.1

This is a hydrocarbon

Nokorɛ

Ɛnyɛ ampa

4.7.1.1

This is a hydrocarbon

Nokorɛ

Ɛnyɛ ampa

4.7.1.1

This is a hydrocarbon

Nokorɛ

Ɛnyɛ ampa

4.7.1.1

This is a hydrocarbon

Nokorɛ

Ɛnyɛ ampa

4.7.1.1

This is a hydrocarbon

Nokorɛ

Ɛnyɛ ampa

4.7.1.1

The molecule in the previous question is...

Saturated

Unsaturated

4.7.1.1

A hexane molecule has 6 carbon atoms in the chain. How many hydrogen atoms are there?

4.7.1.1

The chemical formulae for ethane is...

C₂H₆

C₄H₈

CH₈

C2H6

WS1.1

Fossil fuels are a renewable resource

True

False

WS1.1

Crude oil is formed when...

Pressure from the earths crust causes flammable liquids to pushed up from the core

Ancient plankton is heated and pressurised in rock for millions of years

Mud and seawater chemically react near underwater volcanoes

Ancient carbon dioxide gas bubbles through natural tar pits

4.7.1.1

Hydrocarbons are compounds made of...

Hydrogen

Oxygen

Carbon

Nitrogen

4.7.1.1

4.7.1.2 Fractional distillation and petrochemicals

What is fractional distillation?

A method used to measure the density of liquids

A method used to separate different components of a liquid mixture

A method used to purify water

A method used to combine different components of a liquid mixture

4.7.1.2

Which of the following are examples of components that can be separated using fractional distillation?

Iron and aluminum

Water and salt

Oxygen and nitrogen

Petroleum and gasoline

4.7.1.2

Fractional distillation is an example of a physical separation technique.

Nokorɛ

Ɛnyɛ ampa

4.7.1.2

The alkanes from crude oil are separated into fractions by fractional distillation.
Explain how this is done and why it separates the alkanes into fractions.

4.7.1.2

Fractions are mixtures of substances with similar boiling points – they are not pure substances. How can you tell that they are mixtures and not pure substances.

4.8.1.1

4.8.1.2

5.20 kg of crude oil contains 1.53 kg of LPG (Liquefied Petroleum Gas).
Calculate the percentage (%) of LPG in 5.20 kg of crude oil.
Give your answer to 3 significant figures.

4.7.1.2

MS2a

Describe how a fractioning column separates crude oil.

4.7.1.2

In a fractioning column, compounds are separated by...

Melting point

Boiling point

Density

4.7.1.2

Where would the least flammable compounds be found?

4.7.1.2

Where would would the most volatile compounds be found?

4.7.1.2

Where would the smallest and shortest alkanes be found?

4.7.1.2

What is fractional distillation?

A method used to purify water

A method used to combine different components of a liquid mixture

A method used to measure the density of liquids

A method used to separate different components of a liquid mixture

4.7.1.2

Fractional distillation is an example of a physical separation technique.

Nokorɛ

Ɛnyɛ ampa

4.7.1.2

4.7.1.3 Properties of hydrocarbons

Mmuae Afoforo a Wobɛpaw:

gas

molecules

higher

energy

separate

between

boiling

4.7.1.3

Mmuae Afoforo a Wobɛpaw:

weak

molecules

atoms

strong

4.7.1.3

Mmuae Afoforo a Wobɛpaw:

intermolecular

flammable

molecules

covalent

single

hydrocarbons

atoms

saturated

ONLY

4.7.1.1

4.7.1.3

Trends for alkanes as the carbon chain gets longer

Viscosity
Volatility
Melting and boiling points
strength of intermolecular forces
Height of point of condensation in fractional distillation column
Flammability

Increase
Decreases

4.7.1.3

4.3.1.1

4.7.1.3

4.7.1.4 Cracking and alkenes

Ethene is an alkene.
Which reagent is used to test for alkenes?

Anhydrous copper sulfate

Bromine water

Damp litmus paper

Limewater

4.7.1.4

From the previous question, What type of chemical reaction takes place when compound X is converted into compounds Y and Z?

4.7.1.4

Compounds Y and Z are both useful substances.Compound Y is unsaturated. Compound Z is saturated.
Suggest one use for compound Y.

4.7.1.4

Most ethene is produced by the process of cracking.
Cracking is a type of thermal.......

4.7.1.4

4.7.2.1 Structure and formulae of alkenes

4.7.2.2 Reactions of alkenes

This question is about addition reactions.
The figure below shows the displayed structural formula of ethene.
When bromine water is added to ethene, the bromine water changes from orange to....

4.7.2.2

Chlorine reacts with ethene.
Which of the following shows the displayed structural formula of the compound produced when chlorine reacts with ethene?

null

4.7.2.2

Chloroethene can be used to produce a polymer called poly(chloroethene).
The displayed structural formula of chloroethene is
Which represents the structure of poly(chloroethene)?
Tick (✓) one box.

null

4.7.2.2

4.7.3.1

This question is about monomers and polymers.
Compound A has an alkene functional group and an ester functional group.
Figure 1 represents a molecule of compound A.

Click on the alkene functional group

4.7.2.2

4.7.2.3 Alcohols

Which homologous series does this compound belong to?

4.7.2.3

Give the name of this carboxylic acid

4.7.2.3

Tick all the pictures that represent ethanol

null

4.7.2.3

4.7.2.4 Carboxylic acids

Name the molecule in the image shown

Ethanol

Propanol

Ethanoic Acid

Propanoic acid

4.7.2.4

Identify the functional groups present in the molecule shown in the image

4.7.2.4

Which two reactants can react together in the presence of an acid catalyst to produce this compound?

4.7.2.4

Carboxylic acids do not fully ionise in water. What kinds of acids are they?

4.7.2.4

When alcohols and carboxylic acids react, they form an ester.
Please name this ester

4.7.2.4

4.7.3 Synthetic and naturally occurring polymers

Which of the following statements about addition polymerisation are correct?

addition polymerisation results in the formation of one product

addition polymerisation results in the formation of two products

addition polymers are made from alkene monomers

addition polymers are made from alcohol and carboxylic acid monomers

4.7.3.1

The image shows an amino acid. How many functional groups are present in this amino acid?

4.7.3.4

Condensation polymerisation involves monomers that have how many functional groups?

4.7.3.2

A polymer is made up of many __________. What one word completes the sentence?

4.2.2.5

4.7.3.2

What type of polymerisation happens when amino acids react together?

Addition

Condensation

4.7.3.4

Amino acids can be combined to produce... what?

4.7.3.4

What is the name of the functional group -NH2 ?

4.7.3.2

4.7.3.4

When monomers combine in condensation polymers, what is the biproduct?

4.7.3.2

C7 Organic Chemistry

C7 Organic Chemistry

The prefix for 3 carbons is but-

The general formula for alkanes is:

Name the alkane

Crude oil is a mixture of hydrocarbons. Most of these hydrocarbons are alkanes. The general formula of an alkane is CnH2n+2 Complete the structural formula for the alkane that has six carbon atoms in its molecules.(This question will not return an answer until it is looked at by Miss Bryant)

Crude oil contains a large number of hydrocarbons.Crude oil is a finite resource.What is a finite resource?Tick (✓) one box.

What is crude oil formed from?Tick (✓) one box.

This diagram shows a reaction which takes place in an oil refinery.X, Y and Z are all examples of which type of compound?

Suggest one use for compound Z.

Match the alkane name to its molecular formula

This is a hydrocarbon

This is a hydrocarbon

This is a hydrocarbon

This is a hydrocarbon

This is a hydrocarbon

The molecule in the previous question is...

A hexane molecule has 6 carbon atoms in the chain. How many hydrogen atoms are there?

The chemical formulae for ethane is...

Fossil fuels are a renewable resource

Crude oil is formed when...

Hydrocarbons are compounds made of...

What is fractional distillation?

Which of the following are examples of components that can be separated using fractional distillation?

Fractional distillation is an example of a physical separation technique.

The alkanes from crude oil are separated into fractions by fractional distillation.Explain how this is done and why it separates the alkanes into fractions.

Fractions are mixtures of substances with similar boiling points – they are not pure substances. How can you tell that they are mixtures and not pure substances.

5.20 kg of crude oil contains 1.53 kg of LPG (Liquefied Petroleum Gas).Calculate the percentage (%) of LPG in 5.20 kg of crude oil.Give your answer to 3 significant figures.

Describe how a fractioning column separates crude oil.

In a fractioning column, compounds are separated by...

Where would the least flammable compounds be found?

Where would would the most volatile compounds be found?

Where would the smallest and shortest alkanes be found?

What is fractional distillation?

Fractional distillation is an example of a physical separation technique.

Trends for alkanes as the carbon chain gets longer

Ethene is an alkene. Which reagent is used to test for alkenes?

From the previous question, What type of chemical reaction takes place when compound X is converted into compounds Y and Z?

Compounds Y and Z are both useful substances.Compound Y is unsaturated. Compound Z is saturated.Suggest one use for compound Y.

Most ethene is produced by the process of cracking.Cracking is a type of thermal.......

This question is about addition reactions.The figure below shows the displayed structural formula of ethene.When bromine water is added to ethene, the bromine water changes from orange to....

Chlorine reacts with ethene. Which of the following shows the displayed structural formula of the compound produced when chlorine reacts with ethene?

Chloroethene can be used to produce a polymer called poly(chloroethene).The displayed structural formula of chloroethene isWhich represents the structure of poly(chloroethene)?Tick (✓) one box.

This question is about monomers and polymers.Compound A has an alkene functional group and an ester functional group.Figure 1 represents a molecule of compound A.Click on the alkene functional group

Which homologous series does this compound belong to?

Give the name of this carboxylic acid

Tick all the pictures that represent ethanol

Name the molecule in the image shown

Identify the functional groups present in the molecule shown in the image

Which two reactants can react together in the presence of an acid catalyst to produce this compound?

Carboxylic acids do not fully ionise in water. What kinds of acids are they?

When alcohols and carboxylic acids react, they form an ester.Please name this ester

Which of the following statements about addition polymerisation are correct?

The image shows an amino acid. How many functional groups are present in this amino acid?

Condensation polymerisation involves monomers that have how many functional groups?

A polymer is made up of many __________. What one word completes the sentence?

What type of polymerisation happens when amino acids react together?

Amino acids can be combined to produce... what?

What is the name of the functional group -NH2 ?

When monomers combine in condensation polymers, what is the biproduct?

The prefix for 3 carbons is but-

The general formula for alkanes is:

Name the alkane

Crude oil is a mixture of hydrocarbons. Most of these hydrocarbons are alkanes. The general formula of an alkane is CnH2n+2 Complete the structural formula for the alkane that has six carbon atoms in its molecules.(This question will not return an answer until it is looked at by Miss Bryant)

Crude oil contains a large number of hydrocarbons.Crude oil is a finite resource.What is a finite resource?Tick (✓) one box.

What is crude oil formed from?Tick (✓) one box.

This diagram shows a reaction which takes place in an oil refinery.X, Y and Z are all examples of which type of compound?

Suggest one use for compound Z.

Match the alkane name to its molecular formula

This is a hydrocarbon

This is a hydrocarbon

This is a hydrocarbon

This is a hydrocarbon

This is a hydrocarbon

The molecule in the previous question is...

A hexane molecule has 6 carbon atoms in the chain. How many hydrogen atoms are there?

The chemical formulae for ethane is...

Fossil fuels are a renewable resource

Crude oil is formed when...

Hydrocarbons are compounds made of...

Crude oil is a mixture of hydrocarbons. Most of these hydrocarbons are alkanes.
The general formula of an alkane is C_nH_2n+2
Complete the structural formula for the alkane that has six carbon atoms in its molecules.
(This question will not return an answer until it is looked at by Miss Bryant)

Crude oil contains a large number of hydrocarbons.
Crude oil is a finite resource.
What is a finite resource?
Tick (✓) one box.

What is crude oil formed from?
Tick (✓) one box.

This diagram shows a reaction which takes place in an oil refinery.
X, Y and Z are all examples of which type of compound?

The alkanes from crude oil are separated into fractions by fractional distillation.
Explain how this is done and why it separates the alkanes into fractions.

5.20 kg of crude oil contains 1.53 kg of LPG (Liquefied Petroleum Gas).
Calculate the percentage (%) of LPG in 5.20 kg of crude oil.
Give your answer to 3 significant figures.

Ethene is an alkene.
Which reagent is used to test for alkenes?

Compounds Y and Z are both useful substances.Compound Y is unsaturated. Compound Z is saturated.
Suggest one use for compound Y.

Most ethene is produced by the process of cracking.
Cracking is a type of thermal.......

This question is about addition reactions.
The figure below shows the displayed structural formula of ethene.
When bromine water is added to ethene, the bromine water changes from orange to....

Chlorine reacts with ethene.
Which of the following shows the displayed structural formula of the compound produced when chlorine reacts with ethene?

Chloroethene can be used to produce a polymer called poly(chloroethene).
The displayed structural formula of chloroethene is
Which represents the structure of poly(chloroethene)?
Tick (✓) one box.

This question is about monomers and polymers.
Compound A has an alkene functional group and an ester functional group.
Figure 1 represents a molecule of compound A.

Click on the alkene functional group

When alcohols and carboxylic acids react, they form an ester.
Please name this ester

Crude oil is a mixture of hydrocarbons. Most of these hydrocarbons are alkanes.
The general formula of an alkane is C_nH_2n+2
Complete the structural formula for the alkane that has six carbon atoms in its molecules.
(This question will not return an answer until it is looked at by Miss Bryant)

Crude oil contains a large number of hydrocarbons.
Crude oil is a finite resource.
What is a finite resource?
Tick (✓) one box.

What is crude oil formed from?
Tick (✓) one box.

This diagram shows a reaction which takes place in an oil refinery.
X, Y and Z are all examples of which type of compound?

The alkanes from crude oil are separated into fractions by fractional distillation.
Explain how this is done and why it separates the alkanes into fractions.

5.20 kg of crude oil contains 1.53 kg of LPG (Liquefied Petroleum Gas).
Calculate the percentage (%) of LPG in 5.20 kg of crude oil.
Give your answer to 3 significant figures.

Ethene is an alkene.
Which reagent is used to test for alkenes?

Compounds Y and Z are both useful substances.Compound Y is unsaturated. Compound Z is saturated.
Suggest one use for compound Y.

Most ethene is produced by the process of cracking.
Cracking is a type of thermal.......

This question is about addition reactions.
The figure below shows the displayed structural formula of ethene.
When bromine water is added to ethene, the bromine water changes from orange to....

Chlorine reacts with ethene.
Which of the following shows the displayed structural formula of the compound produced when chlorine reacts with ethene?

Chloroethene can be used to produce a polymer called poly(chloroethene).
The displayed structural formula of chloroethene is
Which represents the structure of poly(chloroethene)?
Tick (✓) one box.

This question is about monomers and polymers.
Compound A has an alkene functional group and an ester functional group.
Figure 1 represents a molecule of compound A.

Click on the alkene functional group

When alcohols and carboxylic acids react, they form an ester.
Please name this ester