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Chemistry > 4.2.1 Alchols > Flashcards

4.2.1 Alchols Flashcards

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1
Q

Uses of alchols

A

Drinks
Cleaning spirits
Oxygenate additive
Feedstock to produce other chemicals

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2
Q

Functional group of alchol

A

OH

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3
Q

Classification of alcohol

A

Primary
Secondary
Tertiary

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4
Q

What affects denisty

A

Structure of the molecule
Straight or branched

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5
Q

What affects melting point solubility and viscosity

A

Imf

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6
Q

Why was propane-1,2,3-triol most viscosity

A

More lone pairs on O so hydrogen bonding will be stronger so more energy required to overcome

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7
Q

How to make propan-2-ol

A

Start with propene
Undergo electrophillic addition mechanism with H2O

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8
Q

Conditions to make propan-2-ol

A

High temp and pressure
Conc phosphoric acid catalyst

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9
Q

Another way to make alchol

A

Fermentation of sugars from plant carbohydrates
Room temp
Anaerobic conditions
Enzyme catalyst

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10
Q

Types of reactions alchols do

A

Nucleophillic substitution
Elimination
Oxidation
Combistion

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11
Q

Conditions for oxidation of alchols

A

Potassium dichromate with dilute sulphuric acid
Heat

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12
Q

Observation of oxidation of primary and secondary alchols

A

Orange to green solution

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13
Q

Observation of tertiary alchol

A

Stays orange solution

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14
Q

What does elimination reaction of alchol form

A

Alkene

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15
Q

Conditions for elimination reaction

A

Concentrated sulphuric acid
Heat under reflux

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16
Q

What products does elimination of alchol form

A

Alkene
Water

17
Q

Nucleophillic substitution reaction reactants and products

A

React with hydrogen halide and sulphuric acid
Forms haloalkane

18
Q

percentage yield equation

A

moles of product actually produced/theoretical moles of product x100

19
Q

Atom economy equation

A

RFM of desired products/ RFMs of all products X 100

20
Q

what atom economy do addition reactions have

A

100%

Chemistry (34 decks)

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