SCX - Chemistry

Question 1

1 Carbon

Answer 1

Meth-

Question 2

2 Carbon

Answer 2

Eth-

Question 3

3 Carbon

Answer 3

Prop-

Question 4

4 Carbon

Answer 4

But-

Question 5

5 Carbon

Answer 5

Pent-

Question 6

6 Carbon

Answer 6

Hex-

Question 7

8 Carbon

Answer 7

Oct-

Question 8

7 Carbon

Answer 8

Hept-

Question 9

C - C

Answer 9

Alkana: -ane

Question 10

C = C

Answer 10

Alkene: -ene

Question 11

C - OH

Answer 11

Alcohol: -ol

Question 12

Haloalkane

Answer 12

Fluoro-
Chloro-
Bromo-
Iodo-

Question 13

Fluoro-

Answer 13

Fluorine (F)

Question 14

Chloro-

Answer 14

Chlorine

Question 15

Bromo-

Answer 15

Bromine

Question 16

Iodo-

Answer 16

Iodine

Question 17

Priority of Group

Answer 17

• Alcohol
• Alkene
• Alkane
• Haloalkane

Question 18

Reagents

Answer 18

Substances or compounds added to system to cause or test for a reaction

Question 19

Catalysts

Answer 19

Substances that speed up a chemical reaction but are not used up

Question 20

Symmetrical Addition

Answer 20

Adding the same atom to each C of the double bond

Question 21

Asymmetrical Addition

Answer 21

Adding different atoms or group of atoms to the end of each C of the double bond

Question 22

Types of Addition Reactions

Answer 22

• Hydrogenation
• Hydration
• Halogenation

Question 23

Hydrogenation

Answer 23

Addition of hydrogen gas (H2) with the presence of Pt or Ni catalysts under high temperature and pressure

Question 24

Hydration

Answer 24

Addition of H2O water

Question 25

Halogenation

Answer 25

Addition of halogens (Group 17 elements)

Question 26

Addition reaction

Answer 26

Double bond is broken which opens 2 new bonding spaces for two atoms / group of atoms to bond to each C of the double bond.

Question 27

Prefix for the amount of a molecule

Answer 27

di, tri, tetra, penta, hexa, hepta, octa

Question 28

Addition Reagents

Answer 28

H2/Pt, H2/Ni, H2O/H+, Any Halogen, Dilute H2SO4

Question 29

Elimination Reagents

Answer 29

H2SO4(alc)(conc), KOH(alc)

Question 30

Substitution Reagents

Answer 30

Any Halogen/UV, KOH(aq), PCl3/PCl5/SOCl2

Question 31

H2/Pt or H2/Ni

Answer 31

Alkene -> Alkane

Question 32

H2O/H+ or Dilute H2SO4

Answer 32

Alkene -> Alcohol

Question 33

Any Halogen

Answer 33

Alkene -> Haloalkane

Question 34

Conc H2SO4(alc)

Answer 34

Alcohol -> Alkene

Question 35

KOH(alc)

Answer 35

Haloalkane -> Alkene

Question 36

Any Halogen/UV

Answer 36

Alkane -> Haloalkane

Question 37

KOH(aq)

Answer 37

Haloalkane -> Alcohol

Question 38

PCl3 or PCl5 or SOCl2

Answer 38

Alcohol -> Chloroalkane

Question 39

Moles

Answer 39

6.02x10^23

Question 40

Equation for moles

Answer 40

n = m/M

Question 41

Equation for concentration

Answer 41

c = n/V

Question 42

molL-1 -> gL-1

Answer 42

x Molar Mass

Question 43

Complete Combustion reactions produce

Answer 43

H2O + CO2

Question 44

gL-1 -> molL-1

Answer 44

/ Molar Mass

Question 45

Incomplete Combustion reactions produce

Answer 45

H2O + CO2 + CO + C

Question 46

Equation for titre

Answer 46

expected titre = (xml * aliquot)/df

Question 47

equation for dilution factor

Answer 47

volumetric flask/pipette

Question 48

Greenhouse gas

Answer 48

Atmospheric gases that intercept long-wave radiation emitted from the Earth’s surface. They contribute to global warming

Question 49

Short term implications of using greenhouse gases

Answer 49

Rain pattern change Evaporation increase Glaciers melt Sea level rises

Question 50

Long term implications of using greenhouse gases

Answer 50

Warmer atmosphere Warmer and more acidic oceans Higher sea levels More intense heat waves

Question 51

Implications of using greenhouse gases on living organisms

Answer 51

Habitat fragmentation Loss/Reduce availability of food, clean air and water Changes of the desired climate Increase of ocean acidification affects marine wildlife which some organisms cannot survive in.

Question 52

Air Pollution

Answer 52

The contamination of the indoor or outdoor environment by chemical, biological or physical agents and changes the natural environment or atmosphere

Question 53

How does carbon affect the environment

Answer 53

Coats the leaves of plants and reduces the rate or photosynthesis which kills them and reduces production of O2 in the world

Question 54

Controlled Variable in titration

Answer 54

Concentration - Dilution, Degradation Amount of indicator added Type of acid/base Parallax error

Question 55

Combustion cleanliness

Answer 55

Short chains burn clean 5+ burn dirty

Question 56

How does carbon monoxide affect living organisms

Answer 56

Carbon Monoxide is a poisonous gas for living things as it reduces the oxygen carrying capacity of blood