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GCSE Chemistry > C10 Organic Reactions > Flashcards

C10 Organic Reactions Flashcards

1
Q

What are hydrocarbons?

A

Hydrocarbons are organic compounds made entirely of hydrogen and carbon.

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2
Q

True or False: All hydrocarbons are derived from fossil fuels.

A

False

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3
Q

What is the general formula for alkanes?

A

C_nH_(2n+2)

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4
Q

Fill in the blank: Alkenes contain at least one _______ bond.

A

double

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5
Q

What type of hydrocarbon is benzene?

A

Aromatic hydrocarbon

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6
Q

Which of the following is a saturated hydrocarbon? (a) Ethene (b) Propane (c) Butyne

A

b) Propane

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7
Q

What is the main characteristic of unsaturated hydrocarbons?

A

They contain at least one double or triple bond.

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8
Q

What is the formula for cycloalkanes?

A

C_nH_(2n)

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9
Q

True or False: Alkanes are more reactive than alkenes.

A

False

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10
Q

What is the process of breaking down larger hydrocarbons into smaller ones called?

A

Cracking

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11
Q

Name two methods of cracking hydrocarbons.

A

Thermal cracking and catalytic cracking.

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12
Q

What is the main product of complete combustion of hydrocarbons?

A

Carbon dioxide and water.

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13
Q

What are isomers?

A

Compounds with the same molecular formula but different structural formulas.

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14
Q

What is the significance of the octane number?

A

It measures the quality of petrol and its resistance to knocking.

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15
Q

Fill in the blank: The simplest alkene is ______.

A

Ethene

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16
Q

What is a functional group in hydrocarbons?

A

A specific group of atoms that determine the characteristics and reactions of a compound.

17
Q

True or False: Hydrocarbons can be found in natural gas.

A

True

18
Q

What are the two main categories of hydrocarbons?

A

Aliphatic and aromatic.

19
Q

What is the primary use of hydrocarbons in everyday life?

A

Fuel for energy and as raw materials in the chemical industry.

20
Q

What type of bond do alkynes contain?

A

Triple bond

21
Q

Which hydrocarbon is known for its strong odor and is used as a fuel?

A

Methane

22
Q

What is the formula for butane?

A

C4H10

23
Q

True or False: Hydrocarbons can exist in solid, liquid, and gas states.

A

True

24
Q

What is the main environmental concern associated with the combustion of hydrocarbons?

A

Production of greenhouse gases and air pollutants.

25
Q

What is an alkyl group?

A

A hydrocarbon substituent derived from an alkane by removing one hydrogen atom.

26
Q

Fill in the blank: The process of _______ involves the addition of hydrogen to unsaturated hydrocarbons.

A

Hydrogenation

GCSE Chemistry (15 decks)

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