A Chemistry solutions of a carboxylic acid and an alcohol. He then prepared the ester as per laboratory instrü identified the odour of the ester as a pear flavour. A carboxylic acid has empirical formula CH,O, and its structure is determined by using various spectroscopic techniques. (a) The mass spectrum for this carboxylic acid molecule is given below. 100- 80- 60- relative intensity 40- 20- 10 15 20 25 30 35 40 45 50 55 60 65 70 75 mass/charge (m/e) (1) State the relative molecular mass of this molecule; hence determine its molecular formula. (ii) Draw the structural formula of the carboxylic acid and give its systematic name.

A Chemistry solutions of a carboxylic acid and an alcohol. He then prepared the ester as per laboratory instrü identified the odour of the ester as a pear flavour. A carboxylic acid has empirical formula CH,O, and its structure is determined by using various spectroscopic techniques. (a) The mass spectrum for this carboxylic acid molecule is given below. 100- 80- 60- relative intensity 40- 20- 10 15 20 25 30 35 40 45 50 55 60 65 70 75 mass/charge (m/e) (1) State the relative molecular mass of this molecule; hence determine its molecular formula. (ii) Draw the structural formula of the carboxylic acid and give its systematic name.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

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2clar
ISTRY EXAM
A Chemistry student performed an experiment on the preparation and identification of an ester. He was given
solutions of a carboxylic acid and an alcohol. He then prepared the ester as per laboratory instruction and
identified the odour of the ester as a pear flavour.
A carboxylic acid has empirical formula CH,O, and its structure is determined by using various spectroscopic
techniques.
(a) The mass spectrum for this carboxylic acid molecule is given below.
100-
80-
60-
relative
intensity
40-
20-
10 15 20 25 30 35 40 45 50 55 60 65 70 75
mass/charge (m/e)
(i) State the relative molecular mass of this molecule; hence determine its molecular formula.
(ii) Draw the structural formula of the carboxylic acid and give its systematic name.
ark
(b) Use the information provided by its Infrared spectrum below to answer the following questions
100

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