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Chemistry gcse ocr a > C6 Global Carp > Flashcards

C6 Global Carp Flashcards

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1
Q

What are the features of a homologous series?

A 
Same general formula 
Same functional group
Members differ by CH2 
Trends in physical properties 
Similar chemical reactions
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2
Q

General formula for alkanes

A

CnH(2n+2)

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3
Q

Alkenes general formula

A

CnH(2n)

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4
Q

Alkanes functional group

A

None

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5
Q

Alkenes functional group

A

C=C carbon carbon double bond

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6
Q

How are alcohols formed?

A

By reacting Alkenes with water

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7
Q

Alcohol functional group

A

OH

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8
Q

Alcohols general formula

A

CnH(2n+1)OH

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9
Q

How are carboxylic acids formed

A

When alcohols react with with oxidising agents

Potassium manganate (VII)

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10
Q

Carboxylic acid general formula

A

C(n-1)H(2n+1)COOH

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11
Q

Carboxylic acid functional group

A

COOH

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12
Q

How are Alkenes made?

A

By cracking larger alkanes

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13
Q

How are esters made?

A

Reacting carboxylic acid with alcohols

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14
Q

What is the ester function group?

A

COO

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15
Q

What is the amide function group

A

CONH

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16
Q

What are polyamides made of

A

Carboxylic acid with two carboxyl groups and amines with two amino groups

17
Q

What are polyesters made of?

A

Carboxylic acid with two carboxyl groups and an alcohol with two hydroxyl groups

18
Q

What is a saturated compound?

A

An organic compound in which all the carbon atoms are connected by single bonds

19
Q

What observations can be made when alcohol reacts with potassium manganate

A

Turns from purple to pale pink as it becomes reduced to manganese ions

20
Q

ethanol + oxidising agent → ethanoic acid + water

Symbol formula

A

CH3CH2OH + 2[O] → CH3COOH + H2O

21
Q

What is the function group?

A

Atom or group of atoms where a reaction takes place

Chemistry gcse ocr a (6 decks)

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