AQA AS Chemistry Module 1 Alkanes and Organic

Question 0

Alkene

Answer 0

A Hydrocarbon with the general formula CnH₂n and containing at least one carbon-carbon double bond. suffix -ene

Question 1

Alkane

Answer 1

A hydrocarbon with the general formula CnH₂n+₂ Suffix ane.

Question 2

meth

Answer 2

1 carbons

Question 3

eth

Answer 3

2 carbons

Question 4

prop

Answer 4

3 carbons

Question 5

but

Answer 5

4 carbons

Question 6

pent

Answer 6

5 carbons

Question 7

hex

Answer 7

6 carbons

Question 8

Chain isomer

Answer 8

A molecule that contains the same molecular formula but has a different arrangement of the carbon chain

Question 9

Functional Group Isomer

Answer 9

A molecule with the same molecular formula but different functional groups (cycloalkane Vs alkene)

Question 10

Thermal Cracking

Answer 10

1000⁰C and 70 atm. Makes alkenes, used for polymers.

Question 11

Catalytic cracking

Answer 11

Zeoilite catalyst and 450⁰C, making motor fuel and aromatic hydrocarbons.

Question 12

Complete combustion

Answer 12

Burning a substance completely in oxygen to produce CO₂ and H₂O

Question 13

Global warming

Answer 13

Caused by release of CO₂

Question 14

Incomplete combustion

Answer 14

Burning a substance in a limited supply of oxygen, producing Solid Carbon and Gaseous Carbon Monoxide (Toxic)

Question 15

Global dimming

Answer 15

Caused by the release of solid Carbon

Question 16

Flue Gas Desulphurisation

Answer 16

CaO + SiO₂ →CaSiO₃

This is a neutralisation reaction