15112020

Question 1

meth

Answer 1

1

Question 2

eth

Answer 2

2

Question 3

prop

Answer 3

3

Question 4

but

Answer 4

4

Question 5

pent

Answer 5

5

Question 6

hex

Answer 6

6

Question 7

hept

Answer 7

7

Question 8

oct

Answer 8

8

Question 9

non

Answer 9

9

Question 10

dec

Answer 10

10

Question 11

-ane

Answer 11

only single bonds

Question 12

-ene

Answer 12

at least one double bond

Question 13

-ic Acid

Answer 13

Hydroxide mol with a double bonded oxygen mol aswell

Question 14

-ol

Answer 14

Hydroxide mol

Question 15

general formula

Answer 15

CnH2n+2

Question 16

molecular formula

Answer 16

CxHx

Question 17

empirical formula

Answer 17

CxHx but in a ratio

Question 18

structural formula

Answer 18

CHxCHxCHxCHx

Question 19

displayed formula

Answer 19

regular picture formula

Question 20

skeletal formula

Answer 20

minimalist picture formula missing out elements and replacing them with vertices etc.

Question 21

VderW or London forces

Answer 21

more electrons and surface area means more VderW forces, a fluctuating centre of charge moves and causes one side of the mol to be slightly more or less +ve than the other side causing an attraction.

Question 22

Permanent Dipole-Dipole Reactions

Answer 22

A slightly more or less +ve side caused by different amount of electrons, not present in pure hydrocarbons

Question 23

Hydrogen Bonding

Answer 23

between H mols and electronegative mols, one side of the bond is +ve and the other is -ve, can mix with water

Question 24

Ethene + Br2 (an electropile) makes

Answer 24

Dibromo-ethane in an electrophile addition reaction

Question 25

Ethene + H2 makes

Answer 25

Ethane in a hydrogenation reaction

Question 26

Monomer

Answer 26

Small units that can be bonded to make polymers

Question 27

n (ethene) makes

Answer 27

-[ethane]-n

Question 28

Polymer of tetrafluoroethane

Answer 28

poly(tetrafluoroethane)

Question 29

hdensity polymers vs ldensity polymers

Answer 29

HD:formed at low temp & med pressure, straight chains, high intermol forces, high bpt. vs LD: formed at high temp and high pressure, branched chains.

Question 30

thermosoftening polymers vs thermosetting polymers

Answer 30

TSo: cant slide, strong intermol forces, break not stretch, high melting point. vs TSe: solid if cold and soft when warm, weak intermol forces, chains slide, low melting points