2. Crude oil is a source of many compounds that contain carbon and hydrogen only.
i. Name the process used to separate the components of crude oil. (1 mark)
ii. On what two physical properties of the above components of crude oil does the
separation of the components depend on?
(2 marks)
(b) Under certain conditions, hexane can be converted to two products. The formular of one of the
products is C3Hg.
i.
Write the formular of the other product.
(1 marks)
ii. Describe a simple chemical reaction to show the difference between the two
products formed in (b) above.
(2 marks)
(c) Ethyne, C2H2 is another compound found in crude oil. One mole of ethyne was reacted with
one mole of hydrogen chloride gas and a product P₁ was formed. P₁ was then reacted with
excess hydrogen gas to form P2. Draw and name the structures of P, and P2. (2 mark)
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