IB Chemistry SL R3.4 Electron-pair sharing reactions questions

Exam-style multiple choice and written questions with full markschemes. Check multiple choice answers straight away, or type, photograph or draw a written answer and get it marked.

Type
Multiple choiceWritten
Difficulty
EasyMediumHard

Question 1

Paper 2Medium6 marks

In aqueous solution, bromoethane reacts with hydroxide ions. Figure 1 shows the reactants; the products are not shown.

CH3CH2Br(l)+[HO−](aq)
(a)

On Figure 1, draw one curly arrow to show the movement of the bonding pair in the C—Br bond during the reaction.

[1]
(b)

Write a balanced ionic equation for the reaction, using structural formulae for the organic compounds and including state symbols.

[2]
(c)

Using Figure 1 and your equation in (b), deduce the type of reaction and explain the electron-pair changes at outcome level. Do not give a detailed mechanism.

[3]

The best questions are still waiting

Unlock every question in this topic, then type, photograph or draw your answer and have it marked against the markscheme. Find out where you are dropping marks.

Unlock all questionsCompare Student and Student Plus