Organic Chemistry: Structure and Function
Organic Chemistry: Structure and Function
8th Edition
ISBN: 9781319079451
Author: K. Peter C. Vollhardt, Neil E. Schore
Publisher: W. H. Freeman
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Chapter 1, Problem 29P

(a)

Interpretation Introduction

Interpretation:The resonance structures of bicarbonate ion needs to be drawn with the use of electron pushing arrows and the form that will be the major contributor to the real structure of bicarbonate ion needs to be determined.

  Organic Chemistry: Structure and Function, Chapter 1, Problem 29P

Concept Introduction:VSEPR theory stands as Valence Shell Electron Pair Repulsion Theory. It helps to predict the molecular shape or geometry of the molecule with the help of the number of bond pair or lone pair present in it. According to VSEPR theory, the presence of lone pair on the central atom of molecule causes deviation from standard molecular geometry.

The resonance is the phenomenon in which if all the properties cannot explain by one structure, it can be shown in two or more structures by the shifting of pi bonds or lone pair but there is no change in sigma bond and position of atoms.

(b)

Interpretation Introduction

Interpretation:The resonance structures of H2CNOH needs to be drawn with the use of electron pushing arrows and the form that will be the major contributor to the real structure of H2CNOH needs to be determined.

Concept Introduction:VSEPR theory stands as Valence Shell Electron Pair Repulsion Theory. It helps to predict the molecular shape or geometry of the molecule with the help of the number of bond pair or lone pair present in it. According to VSEPR theory, the presence of lone pair on the central atom of molecule causes deviation from standard molecular geometry.

The resonance is the phenomenon in which if all the properties cannot explain by one structure, it can be shown in two or more structures by the shifting of pi bonds or lone pair but there is no change in sigma bond and position of atoms.

(c)

Interpretation Introduction

Interpretation:The resonance structures of H2CNO- needs to be drawn with the use of electron pushing arrows and the form that will be the major contributor to the real structure of H2CNOH needs to be determined.

Concept Introduction:VSEPR theory stands as Valence Shell Electron Pair Repulsion Theory. It helps to predict the molecular shape or geometry of the molecule with the help of the number of bond pair or lone pair present in it. According to VSEPR theory, the presence of lone pair on the central atom of molecule causes deviation from standard molecular geometry.

The resonance is the phenomenon in which if all the properties cannot explain by one structure, it can be shown in two or more structures by the shifting of pi bonds or lone pair but there is no change in sigma bond and position of atoms.

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1.)  What is the Lewis structure for the methylthiolate anion, CH3S-. Carbon is the central atom. Show any nonzero formal charges. 2.) Proteins are large molecules that affect almost every function of the human body. Proteins are composed of smaller building blocks called amino acids. The simplest amino acid is glycine. When dissolved in water, two atoms in a glycine molecule have a formal charge. In the lewis structure of glycine C2H5NO2 all bonds are drawn (image is provided), but the unbonded valence electrons (lone pairs) are missing. Copy the structure and draw the missing valence electrons (lone pairs). Locate the 2 atoms that have a nonzero formal charge. Calculate the charge at these sites.
1. Draw the Lewis structures for each of the following ions or molecules. For each, give (i) the molecular shape, (ii) the electron pair geometry at the central atom, and (iii) the hybridization of the central atom. (a) POF3 (b) XeO₂F3+ (c) BrCl₂ (d) N3 (the central atom is N; two other N's are bonded to it) (e) PF3
Draw the correc (best) Lewis structure (LS) for the ionic compound K2SeO3 (on looose leaf paper--NOT TO BE SUBMITTED) and then answer the following questions.(NOTE: Use the cardinal numbers 0, 1, 2, 3, and so on for any quantity required)a)   What charge does the K ion have in this compound? (give size & sign of charge: e.g., 1+, 2-, etc.)   b)   What charge does the SeO3 ion have in this compound? (give size & sign of charge: e.g., 1+, 2-, etc.)   c)   How many lines, if any, attach each K ion to the SeO3 ion?      d)   How many valence electrons does the SeO3 ion (alone) have?   e)   How many single bonds does the LS of the SeO3 ion have?   f)   What is the number of lone electron pairs in the LS of the SeO3 ion?
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