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Chemistry Paper 2 > Organic Chem Unit 7 > Flashcards

Organic Chem Unit 7 Flashcards

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1
Q

What is structural formula (eg)?

A

CH3CH2CH2CH2OH (butanol)

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2
Q

Uses of alcohol?

A

Fuels
Cleaning products
Mouthwash

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3
Q

Why is there a vast array of natural and synthetic carbon compounds?

A

Carbon atoms have the ability to form families of similar compounds

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4
Q

What is the name of the acid that has two -COOH functional groups/What is the name of the double -COOH functional group?

A

Dioic acid OR dicarboxylic acid/carboxylic acid

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5
Q

Give an example of a dioic acid.

A

Ethanediol acid

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6
Q

What is the functional group of an ester?

A

-COO

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7
Q

What is the NAME of a -COO functional group?

A

Ester!

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8
Q

Structural formula for ethanoic acid?

A

CH3COOH

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9
Q

How do you make an ester?

A

Alcohol + Carboxylic acid —> Ester + Water

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10
Q

What makes a condensation reaction?

A

Different monomers with different functional groups react
Small molecule made
The functional groups of the monomers SPECIFICALLY react together

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11
Q

What is the chemical equation that reacts with alcohol to get at least a carboxylic acid?

A

Alcohol + OXIDISING AGENT —> propanoic acid + WATER

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12
Q

What type of reaction is cracking and why?

A

Thermal decomposition as it’s breaking down a compound using heat to smaller compounds.

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13
Q

Why do we need hydrocarbons in modern life?

A

Alkanes for fuel, alkenes for plastics or polymers

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14
Q

What is the formula for fermenting alcohol?

A

Glucose (aq)—>(yeast is an ENZYME) ethanol (AQ) + carbon dioxide (g)

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15
Q

Fermentation state symbol equation?

A

C6H12O6 —> 2 C2H5OH + 2CO

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16
Q

Why is there a vast array of natural and synthetic carbon compounds?

A

Carbon atoms have the ability to form families of similar compounds

17
Q

What is the name of the acid that has two -COOH functional groups/What is the name of the double -COOH functional group?

A

Dioic acid OR dicarboxylic acid/carboxylic acid

18
Q

Give an example of a dioic acid.

A

Ethanediol acid

19
Q

Structural formula for ethanoic acid?

A

CH3COOH

20
Q

Do alkenes burn with a smoky flame? Why?

A

Yes as it tends to burn with incomplete combustion

21
Q

What is the name of a reaction that produces an ester?

A

Esterification reaction

21
Q

What is the general formula for carboxylic acid?

A

CnH2nO2

22
Q

What happens when you put carboxylic acid in water?

A

Hydrogen ions + alkanoate ions

23
Q

What is the chemical equation for putting carboxylic acid I water?

A

Carboxylic acid ⇌ H+ + RCOO-

Hydrogen ions + methanoate ions

24
Q

Define unsaturated

A

Molecule that contains one or more double covalent bonds

25
Q

Define saturated

A

Molecule that only contains single covalent bonds

26
Q

Why does the ionisation of carboxylic acid/putting the carboxylic acid in water show it is a WEAK acid?

A

Partially dissociates in water leaving a low concentration of H+ ions

27
Q

What happens when you react a diol and a dioic acid in a CONDENSATION POLYMERISATION reaction

A

Polyester + water

28
Q

Properties of an ester?

A

Fragrant and volatile

29
Q

Define volatile

A

Easily evaporates at room temperature

30
Q

Use of ester?

A

Food flavourings

31
Q

In addition polymerisation, does the repeating unit of the polymer have the same atoms it’s the monomer?

A

Yes (no other molecule is formed in the reaction)

32
Q

What is functional group of an amine group and carboxylic?

A

-NH2 and -COOH

33
Q

What happens when amine and carboxylic acid functional group react together?

A

Get an AMIDE bond (-CONH)

Chemistry Paper 2 (10 decks)

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