Edexcel Jun 2011 Paper 3 Q2 (with explained solutions) |

Skip to content

Edexcel Jun 2011 Paper 3 Q2

Answers available below

PMT 2 An organic liquid, W, has the structure HOCH2CH CHCH2OH Complete the table by writing the observations you would expect to make when the following tests are carried out. Test Observation Add W, drop by drop, to a small volume of bromine water and shake the mixture until there is no further change. Colour change from Add phosphorus(V) chloride to W. Test any gas evolved with damp blue litmus paper. Add aqueous potassium dichromate(VI), acidified with dilute sulfuric acid, to W and heat the mixture.toColour change fromto(Total for Question 2 = 6 marks) *P37682A0316* Turn over<br />

Show answer

Question Number 2 Mark Acceptable Answers Reject Just clear (White) smoke/solid Just fumes yellow yellow Bromine water From: red / brown / orange / yellow (or combinations of these colours) (1) To: colourless/decolourised (1) NOTE: If colours are both correct but are given the wrong way round, award (1) Phosphorus(V) chloride Steamy fumes/misty fumes/white fumes/steamy vapour/steamy gas/white dense fumes (1) Ignore fizzing/gets hot/ etc. (damp blue litmus paper) red (1) Acidified potassium dichromate(VI) From: orange To: green or blue (1) (1) (or combinations of blue and green) NOTE: If colours are both correct but are given the wrong way round, award (1) 6CH0701 1106<br />

Question 1 2 3 4 5

About us | Need Help? | Feedback

Proudly powered by WordPress | Theme: Sydney by aThemes.