Alkanes

Question 1

state two characteristics of a homologous series

Answer 1

1. same general formula, same functional group

2. chemically similar. each subsequent member has extra CH2 group

Question 2

What are the conditions for catalytic cracking

Answer 2

Hugh temperature
Slight/moderate pressure

Question 3

Identify radical from tetraclhlorotetrafuloroethane CFC that causes ozone depletion

Explain with equations why a single radical can cause decomposition of many more molecules

Answer 3

*Cl

*Cl + O3 —> *ClO + O2
*ClO + O3 —> *Cl + 2O2

*Cl is regenerated and causes a chain reaction is the decomposition of ozone

Question 4

Why does a nucleophilic addition reaction between halogenoalkane and OH occur

Answer 4

Halogen is more electronegative than carbon

Carbon is partially positive

Lobe lair on the nuleopjilr donated to the partially positive carbon