Alcohols, Carboxylic Acids And Esters Flashcards

1
Q

Name the process by which ethanol is produced from glucose

  • name the catalyst aswell
A

Fermentation

Catalyst is yeast

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2
Q

Explain why only certain concentrations of ethanol can be produced using fermentation

A

High alcohol concentrations lead to enzymes in yeast not working

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3
Q

Name the process used to increase the concentration of alcohols

A

Distillation

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4
Q

Name the functional group in alcohols

Name the ending

A

Hydroxyl

Ol

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5
Q

Why are alcohols polar molecules

A

The presence of the polar hydroxyl group

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6
Q

What type of intermolecular forces are there between alcohol molecules

A

Hydrogen bonds

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7
Q

How does polarity of alcohols molecules affect their boiling point and solubility

A

Higher boiling points due to more heat needed to break relatively strong intermolecular hydrogen bonds. Soluble in polar substances due to ability to form hydrogen bonds with solvent

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8
Q

Why can alcohols be used as solvents for many different solutes

A

It has both a polar and non polar section

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9
Q

Why are alcohols with smaller carbon chains ideal for cleaning purposes

A

They evaporate easily

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10
Q

Why are alcohols used as fuels

A

Highly flammable

Burn with a clear flame

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11
Q

Name functional group in carboxylic acids

What ending do they have

A

Carboxyl group

Oic acid

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12
Q

What is formed when carboxylic acid reacts with a base

A

Salts containing the carboxylate ion

Practice naming these now are

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13
Q

Ethanoic acid is also known as

A

Vinegar

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14
Q

Uses of vinegar

A

Removes limescale

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15
Q

Functional group of an ester and it’s ending

A

Ester group

‘Yl-oate’

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16
Q

Name type of reaction to form esters

A

Condensation between alcohols and carboxylic acids

17
Q

Characteristic of an ester

A

Smell

18
Q

Define condensation reaction

A

Molecules join together with the elimination of a small molecule

Water

19
Q

Uses of esters

A

Flavouring and fragrances

20
Q

Define hydrolysis

A

A reaction where a molecule reacts with water breaking down into smaller molecules

21
Q

What is produced when an ester is hydrolysed is

A

Alcohol and carboxylic acid

22
Q

What family of compounds do triglycerides belong to

A

Esters