Ordinary level 2024 South West mock chemistry 2
Ordinary level 2024 South West mock chemistry 2
Stale the technique used to separate the components of crude oil.
iii ) Name one component of crude oil and state its use in Cameroon.
Component:
| Use: | (4 marks) |
| b). Consider the following homologous series with general molecular formulae: CnH2n 42 and C„H2(I | |
| i) | Give the name of the homologous series CBHin +2 |
ii) Give the formula of the first member of the homologous series C„H 2n
| iii) | Give the reagent that is used to convert a member of the family C„H 2nto a corresponding member of the family CnH 2lI *2 |
(3 marks)
c) (i) Draw two possible structures of the fourth member of the series CnH2n +2
ii) What are these structures collectively called?
(3 marks)
(Total–10 Marks)
3. Copper is extracted by thermal reduction and purified by electrolysis,
a) i.) Slate the main ore from which copper is extracted.
ii) Write down the final equation for the extraction of Copper.
(3marks)
b). i) Draw and label the electrolytic set up used to purify copper
