The molecular formula of the compound is to be determined. Concept Introduction: Molecular formula represents the chemical symbols of the constituent elements that are followed by numeric subscripts and these numeric subscripts represent the number of atoms of each element in the molecule. Empirical formula represents the reduced ratio of elements present in a compound.

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Chapter 4, Problem 85QP

Interpretation Introduction

Interpretation:

The molecular formula of the compound is to be determined.

Concept Introduction:

Molecular formula represents the chemical symbols of the constituent elements that are followed by numeric subscripts and these numeric subscripts represent the number of atoms of each element in the molecule.

Empirical formula represents the reduced ratio of elements present in a compound.

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Interpreting NMR spectra is a skill that often requires some amount of practice, which, in turn, necessitates access to a collection of NMR spectra. Beyond Labz Organic Synthesis and Organic Qualitative Analysis have spectral libraries containing over 700 1H NMR spectra. In this assignment, you will take advantage of this by first predicting the NMR spectra for two closely related compounds and then checking your predictions by looking up the actual spectra in the spectra library. After completing this assignment, you may wish to select other compounds for additional practice. 1. Write the IUPAC names for the following two structures: Question 2 Question 3 2. Predict the NMR spectra for each of these two compounds by listing, in the NMR tables below, the chemical shift, the splitting, and the number of hydrogens associated with each predicted peak. Sort the peaks from largest chemical shift to lowest. **Not all slots must be filled**