The reason as to why all classes of low molecular weight amines are water soluble is to be explained. Concept introduction: Amines are a class of organic compounds which are derived from ammonia. They are formed by replacing one or more hydrogen in ammonia by organic molecules. Amines usually show hydrogen bonding. Hydrogen bonding forms between a hydrogen atom covalently bonded to a highly electronegative element and another electronegative atom. It is usually shown by the hydrogen covalently bonded to oxygen, nitrogen or fluorine.

Question

Part VII. The H-NMR of a compound with molecular formula C5 H 10 O2 is given below. Find the following: (a) The no. of protons corresponding to each signal in the spectra (6) Give the structure of the compound and assign the signals to each proton in the compound. a 70.2 Integration Values C5H10O2 b 47.7 C 46.5 d 69.5 3.6 3.5 3.4 3.3 3.2 3.1 3.0 2.9 2.8 2.7 2.6 2.5 2.4 2.3 2.2 2.1 2.0 Chemical Shift (ppm) 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1.0 0.9 0.8

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Chapter 16, Problem 16.16E

Interpretation Introduction

Interpretation:

The reason as to why all classes of low molecular weight amines are water soluble is to be explained.

Concept introduction:

Amines are a class of organic compounds which are derived from ammonia. They are formed by replacing one or more hydrogen in ammonia by organic molecules. Amines usually show hydrogen bonding. Hydrogen bonding forms between a hydrogen atom covalently bonded to a highly electronegative element and another electronegative atom. It is usually shown by the hydrogen covalently bonded to oxygen, nitrogen or fluorine.

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Part VII. The H-NMR of a compound with molecular formula C5 H 10 O2 is given below. Find the following: (a) The no. of protons corresponding to each signal in the spectra (6) Give the structure of the compound and assign the signals to each proton in the compound. a 70.2 Integration Values C5H10O2 b 47.7 C 46.5 d 69.5 3.6 3.5 3.4 3.3 3.2 3.1 3.0 2.9 2.8 2.7 2.6 2.5 2.4 2.3 2.2 2.1 2.0 Chemical Shift (ppm) 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1.0 0.9 0.8

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