Edexcel Jan 2010 Paper 3 Q2

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PMT 2 This question is about two isomeric alcohols, X and Y, each with molar mass 60 g mol1. A solution of potassium dichromate(VI) in dilute sulfuric acid is added to each alcohol. Both alcohols cause the same colour change of the mixture on heating. (a) A colourless liquid, B, is distilled from the mixture containing alcohol X. The liquid B forms a red precipitate when it is boiled with Benedicts or Fehlings solution. Give the displayed formula of liquid B, and the name of alcohol X. (2) Liquid B Name of alcohol X(b) A colourless liquid, C, is distilled from the mixture containing alcohol Y. C does not react when it is boiled with Benedicts or Fehlings solution. Give the names of liquid C and alcohol Y. (2) Liquid CAlcohol Y(Total for Question 2 = 4 marks) *N34104A0416*<br />

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