The oxidation number for given atoms in the equation has to be assigned, and the element that acts as oxidizing, reducing agent in the given reaction has to be identified. Concept introduction: Oxidation number: The oxidation number of an element is zero. The oxidation number of a monoatomic ion equals its charge. The oxidation number is zero for the summation of the oxidation numbers complete atoms in a complete formula. The charge on the ion is equal to the summation of the oxidation numbers of complete atoms in poly atomic ion. The oxidation state of alkali metal ( Li, Na, K, Rb, Cs ) is + 1 , and alkaline earth metal is (Be, Mg, Ca, Sr, Ba) is + 2 . The oxidation state of hydrogen is + 1 (without bonding with metals), the oxidation state of oxygen is − 2 . An oxidizing agent gains the electrons and is reduced in a chemical reaction and it is electron acceptor. A reducing agent loses electrons and is oxidized in a chemical reaction and it is electron donor. The oxidation state is called as oxidation number, which describes degree of oxidation (loss of electrons) of an atom in a chemical compound. Theoretically, the oxidation state is positive, negative or zero.

Question

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** Peak Chemical Shift (d) 5.7 1 Multiplicity multiplate .......... 5.04 double of doublet 2 4.98 double of doublet 3 4.05 doublet of quartet 4 5 LO 3.80 quartet 1.3 doublet 6 Peak Chemical Shift (d) Multiplicity

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Question

Chapter 3.5, Problem 3.11PSP

Interpretation Introduction

Interpretation:

The oxidation number for given atoms in the equation has to be assigned, and the element that acts as oxidizing, reducing agent in the given reaction has to be identified.

Concept introduction:

Oxidation number:

The oxidation number of an element is zero. The oxidation number of a monoatomic ion equals its charge.

The oxidation number is zero for the summation of the oxidation numbers complete atoms in a complete formula.

The charge on the ion is equal to the summation of the oxidation numbers of complete atoms in poly atomic ion.

The oxidation state of alkali metal (Li, Na, K, Rb, Cs) is +1, and alkaline earth metal is (Be, Mg, Ca, Sr, Ba) is +2.

The oxidation state of hydrogen is +1 (without bonding with metals), the oxidation state of oxygen is −2.

An oxidizing agent gains the electrons and is reduced in a chemical reaction and it is electron acceptor.

A reducing agent loses electrons and is oxidized in a chemical reaction and it is electron donor.

The oxidation state is called as oxidation number, which describes degree of oxidation (loss of electrons) of an atom in a chemical compound. Theoretically, the oxidation state is positive, negative or zero.

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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** Peak Chemical Shift (d) 5.7 1 Multiplicity multiplate .......... 5.04 double of doublet 2 4.98 double of doublet 3 4.05 doublet of quartet 4 5 LO 3.80 quartet 1.3 doublet 6 Peak Chemical Shift (d) Multiplicity

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**

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