Homologous Series - Unit 2 Flashcards

1
Q

What is an Exothermic reaction ?

A

An exothermic reaction is one in which heat is released

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

What is a fuel?

A

A substance that when burned, provides energy for the reaction.

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

What is a hydrocarbon?

A

A chemical compound which contains only the elements of hydrogen and carbon.

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

What is fractional distilation?

A

seperates crude oil into a number of different parts called fractions

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

Talk about the oil fractions in a fractionating column.

A

As you go up the column, the hydrocarbons have
- lower boiling points
-lower viscosity
-higher flamnmibility

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

What is a homologous series?

A

A family of compounds with similar chemical properties and the same general formula.

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

What do Alkanes always end in and what is their general formula?

A

-ane
Cn H2n+2

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

What is the first 8 prefixes?

A

meth-
eth-
prop-
but-
pent-
hex-
hept-
oct

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

Draw 2-methylbutane

A

CH3-CH(CH3)-CH2-CH3

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

Draw 3-methylpentane

A

CH3-CH2-CH(CH3)-CH2-CH3

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

Draw 2,2-dimethylbutane

A

CH3-C(C2H6)-CH2-CH3

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

What does Saturated mean ?

A

Only contains single carbon to carbon onds

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

What is always the ending of the alkenes and what is their structural formula?

A

-ene
-CnH2

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

What does unsaturated mean?

A

Contains more than one carbon to carbon double bond

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

What is the general trend of Hydrocarbons

A

As the number of carbons increase, so too does the boiling point

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

What are the three addition reactions and what is added??

A

Hydration - H2O
Hydrogetnation - H2
Bromination - Br2

17
Q

What is the Bromine test?

A

If a solution is unsaturated, if added to bromine solution, solution will decoularise rapidly

18
Q

What is an Isomer?

A

Compounds with the same molecular but different structural formula