IB Chemistry HL R3.3 Electron sharing reactions questions

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Question 1

Paper 2Easy6 marks

Ethane reacts with bromine under ultraviolet light. Bromoethane is one product, and the reaction proceeds by a radical chain mechanism.

(a)

Write the two propagation equations for the reaction of ethane with bromine.

[2]
(b)

Write a termination equation involving two ethyl radicals.

[1]
(c)

State one reason why a mixture of organic products can form.

[1]
(d)

State two features of alkanes that contribute to their low reactivity.

[2]

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