Organic Chemistry Flashcards

1
Q

What’s a hydrocarbon

A

A compound made from hydrogen and carbon only

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How’s a crude oil formed

A

Ancient biomass that has been subjected to heat and pressure over millions of years

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What’s an alkane

A

Hydrocarbons containing only single C to C bonds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

First 4 alkanes

A

Methane
Ethane
Propane
Butane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

General formula for alkanes

A

CnH2n+2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Explain the relationship between carbon chain length and boiling point for organic molecules

A

Long chain length means higher boiling point as the strength of the intermolecular forces increase this means more energy is needed to separate the molecules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

How does viscosity depend on carbon chain length

A

The longer the chain, the more viscous the compound

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

How does flammability depend on carbon chain length

A

The longer the chain the less flammable the compound

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

How are alkanes in crude oil separated

A

Fractional distillation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

5 useful products from crude oil

A

Fuel
Lubricants
Detergents
Polymers
Solvents

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Cracking

A

Breaking down large hydrocarbons into smaller ones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Conditions for cracking?

A

High temp and steam
Or a catalyst

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are the products of cracking

A

Smaller chain alkanes and Alkenes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are alkenes?

A

Hydrocarbons that contain at least one C=C double bond

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

General formula for alkenes

A

CnH2n

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

First four alkenes

A

Ethane
Probene
Butene
Pentene

17
Q

What are alkenes used for

A

To make polymers and as feedstock

18
Q

Test for alkenes

A

Brewing water turns from orange to colorless if a double bond is present

19
Q

What’s a functional group

A

A part of a compound that determines its chemical properties

20
Q

What are alchohols

A

A group of compounds with the OH minus functional group

21
Q

How are alcohols made

A

By reacting steam with an Alane through fermentation

22
Q

Conditions required for fermentation

A

Yeast, sugar, warm and no oxygen (anaerobic)

23
Q

The first 4 alcohols

A

Methanol
Ethanol
Propanol
Butanol

24
Q

Products of the reaction between an alcohol and sodium

A

Hydrogen and alkoxide

25
Q

What’s the product when alcohol is oxidized

A

Carboxylic acid

26
Q

What’s carboxylic acid

A

Compound with functional group -COOH

27
Q

The first 4 carboxylic acids

A

Methanoic acid
Ethanoic acid
Propanoic acid
Butanoic acid

28
Q

General equation for carboxylic acid and metal carbonate

A

Salt plus water plus carbon dioxide

29
Q

What’s made when an alcohol reacts with carboxylic acid

A

An ester

30
Q

Carboxylic acids are weak acids what does this mean

A

They only partly ionize when in a solution

31
Q

What is the product of the reaction between ethanoic acid and ethanol

A

Ethyl ethanoate