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Chem GCSE > Organic Chemistry > Flashcards

Organic Chemistry Flashcards

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1
Q

Is alkanes saturated or unsaturated?

A

Saturated

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2
Q

Which hydrocarbon undergoes complete combustion?

A

Alkane

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3
Q

Which hydrocarbon undergoes incomplete combustion?

A

Alkene

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4
Q

Functional group of carboxylic acids

A

COOH

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5
Q

Displayed formula of carboxylic acid

A

C = O
|
O-H

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6
Q

Functional group of alkene

A

C=C

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7
Q

Functional group of alcohol

A

OH

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8
Q

Formula for alkane

A

CnH2n+2

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9
Q

Formula for alcohols

A

CnH2n+1OH

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10
Q

What is a diol?

A

An alcohol group with OH at both ends

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11
Q

Sequence of alkenes

A

EPBPe

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12
Q

Sequence of alcohols

A

MEPBPe

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13
Q

Sequence of carboxylic acids

A

MEPB

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14
Q

Sequence of alkanes

A

MEPB

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15
Q

Formula for carboxylic acid

A

CnH2n+1COOH
N MEANS CARBON -1 BECAUSE OF FUNCTIONAL GROUP

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16
Q

What hydrocarbon forms addition polymers

A

Alkenes eg poly(propene)

17
Q

What 2 monomers form a condensation polymer?

A

Diol and dicarboxylic acid group

18
Q

How do you produce esters?

A

React alcohol with carboxylic acid

19
Q

Esters uses

A

Perfumes, food flavouring and adhesives

20
Q

Carboxylic acid salts ending

A

-anoate (magnesium ethanoate).

21
Q

Potassium dichromate colour change

A

Orange to green

22
Q

Conditions for hydrogenation

A

Alkene to alkane
60°c with nickel catalyst

23
Q

Conditions for esterification

A

Carboxylic acid and alcohol with sulphuric acid catalyst

24
Q

Ester functional group

A

COO

25
Q

Conditions for alkene to alcohol

A

Alkene + steam -> alcohol
300°c with 60-70Pa and a phosphoric acid catalyst

26
Q

Product naming of alkene + halogen reaction

A

Di + bromo/chloro/iodo + alkene but ane ending

27
Q

What are the two ways of making alcohols

A

Steam + alkene or fermentation

28
Q

Conditions for fermentation for alcohols

A

37°c and NO OXYGEN

29
Q

Equation for fermentation for alcohols

A

Sugar (react with yeast) = ethanol + CO2

30
Q

Properties of alcohols

A

Flammable, soluble in water and poisonois

31
Q

Properties of hydrocarbons

A

Shorter chain = less viscous, lower melting point (more volatile) and more flammable

32
Q

Positives and negatives of fermentation over hydration of ethene to make alcohols

A

Renewable, less energy
BUT
Slower, batch process and impure product

33
Q

Negatives of hydration of ethene to make alcohols

A

Ethene from crude oil, not renewable, more energy

34
Q

Positives of hydration of ethene to make alcohols

A

Faster, continuous process and pure product

35
Q

Examples of natural polymers

A

Cellulose, DNA, proteins and starch

36
Q

What does diol monomers lose in condensation polymerisation?

A

H molecules at both ends

37
Q

What does dicarboxylic acid monomers lose in condensation polymerisation

A

OH molecules at both ends

38
Q

What is an amino acid polymer called?

A

Polypeptide

39
Q

What is a polypeptide made of

A

amino acid group and carboxylic acid group

Chem GCSE (14 decks)

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