Skip to content
CIE Jun 2015 v3 Paper 4 Q1
Answers available below
Show answer
Question
1
2
3
4
5
6
7
8
9
10
![Section A Answer all the questions in the spaces provided. (a) Complete the electronic con gurations of the following atoms. oxygen: 1s2uorine: 1s2 [1] (b) A compound ofuorine and oxygen contains three atoms in each molecule. (i) Predict its formula.[1] (ii) Draw a dot-and-cross diagram to show its bonding. (iii) Suggest the shape of this molecule.[1] [1] (c) (i) Use E o values from the Data Booklet to predict the relative oxidising abilities ofuorine and chlorine.[2] (ii) Predict the type of reaction that would occur between the interhalogen compound chlorineuoride, Cl F, and potassium bromide solution.[1] (iii) Construct an equation for this reaction.[1] [Total: 8]UCLES 2015 9701/43/M/J/15<br />](https://learnah.org/wp-content/uploads/2018/08/June_2015_v3_QP_-_Paper_4_CIE_Chemistry_A-level_1.jpg)
![Page 2 Question (a) Cambridge International A LevelMay/June 2015 Mark Scheme Syllabus Paper 9701 43 Marking point Marks 4 2 2 2p ) 2s oxygen: (1s 5 2 2 fluorine: (1s ) 2s 2p (b) (i) F2O / OF2 (ii) (iii) bent or non-linear o values: F2 (c) (i) E o fluorine (has the more positive E so) is more oxidising F = 2.87 V and Cl2 = 1.36 V Cl (ii) redox (iii) Cl F + 2KBrKCl + KF + Br2 (a) (i) hydrogen chloride or HCl (ii) either (RCOCl) has two electron-withdrawing groups / atoms, making the more + / electron deficient or (RCOCl) has an oxygen, making the carbon more + / electron deficient or (RCOCl) has two electron-withdrawing groups, weakening the CCl bond (b) (i) CH3 CH3 NCH2CH3 (ii) step 1: heat with MnO4 / KMnO4 (+ acid or alkali) step 2: PCl3 + heat or SOCl2 or PCl5 step 4: LiAlH4 (in dry ether)Cambridge International Examinations 2015 1 1 [Total: 8] 1 1 1 1 [Total: 7]<br />](https://learnah.org/wp-content/uploads/2018/08/June_2015_v3_MS_-_Paper_4_CIE_Chemistry_A-level_1.jpg)
