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The chemistry of the nitrite ion and HNO 2 : (a) Two resonance structures are possible for NO 2 − . Draw these structures, and then find the formal charge on each atom in each resonance structure. (b) In forming the acid HNO 2 an H + ion attaches to the O atom and not the N atom of NO 2 − . Explain why you would predict this result. (c) Two resonance structures are possible for HNO 2 . Draw these structures, and then find the formal charge on each atom in each resonance structure. Is either of these structures strongly preferred over the other?

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Chemistry & Chemical Reactivity

9th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781133949640

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Chapter
Section
BuyFindarrow_forward

Chemistry & Chemical Reactivity

9th Edition
John C. Kotz + 3 others
Publisher: Cengage Learning
ISBN: 9781133949640
Chapter 8, Problem 37PS
Textbook Problem
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The chemistry of the nitrite ion and HNO2:

  1. (a) Two resonance structures are possible for NO2. Draw these structures, and then find the formal charge on each atom in each resonance structure.
  2. (b) In forming the acid HNO2 an H+ ion attaches to the O atom and not the N atom of NO2. Explain why you would predict this result.
  3. (c) Two resonance structures are possible for HNO2. Draw these structures, and then find the formal charge on each atom in each resonance structure. Is either of these structures strongly preferred over the other?

 (a)

Interpretation Introduction

Interpretation:

Number of Resonance structures do each species have, has to be determined.

Concept Introduction:

Formal charge: It is the electrostatic charge that would reside on an atom in a molecule or polyatomic ion if all bonding electron are shared equally between pairs of atoms.

Formal charge calculation: The formal charge for atom in a molecule or ion is calculated based on the Lewis structure of the molecule or ion by following the given equation below:

Formal charge calculation of molecule or ion =NVE-{LPE+12(BE)

Resonance structures:

A molecule or ion which show more than structure but none of them are accurately correct show the known property of that molecule, and can lie between the canonical structure is known as resonance or canonical or contributing structure.

Explanation of Solution

Here NO2, two resonance structures are possible. These structures are drawn below.

Formal charge: It is the electrostatic charge that would reside on an atom in a molecule or polyatomic ion if all bonding electron are shared equally between pairs of atoms

 (b)

Interpretation Introduction

Interpretation:

A proton attached to an O-atom or to the N-atom of nitrate ion has to be predicted.

Concept Introduction:

Formal charge: It is the electrostatic charge that would reside on an atom in a molecule or polyatomic ion if all bonding electron are shared equally between pairs of atoms.

Formal charge calculation: The formal charge for atom in a molecule or ion is calculated based on the Lewis structure of the molecule or ion by following the given equation below:

Formal charge calculation of molecule or ion =NVE-{LPE+12(BE)

Resonance structures:

A molecule or ion which show more than structure but none of them are accurately correct show the known property of that molecule, and can lie between the canonical structure is known as resonance or canonical or contributing structure.

(c)

Interpretation Introduction

Interpretation:

A proton attached to an O-atom or to the C-atom of carbonate ion has to be predicted.

Concept Introduction:

Formal charge: It is the electrostatic charge that would reside on an atom in a molecule or polyatomic ion if all bonding electron are shared equally between pairs of atoms.

Formal charge calculation: The formal charge for atom in a molecule or ion is calculated based on the Lewis structure of the molecule or ion by following the given equation below:

Formal charge calculation of molecule or ion =NVE-{LPE+12(BE)

Resonance structures:

A molecule or ion which show more than structure but none of them are accurately correct show the known property of that molecule, and can lie between the canonical structure is known as resonance or canonical or contributing structure.

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Chapter 8 Solutions

Chemistry & Chemical Reactivity
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Ch. 8.4 - Draw resonance structures for the bicarbonate ion,...Ch. 8.4 - 1. For which of the following species, SO32−, NO+,...Ch. 8.4 - 2. What are the formal charges on nitrogen and...Ch. 8.5 - Sketch the Lewis structures for CIF2+ and CIF2....Ch. 8.5 - 1. Draw a Lewis structure for HOMO. Are there any...Ch. 8.5 - 2. Draw a Lewis structure for the...Ch. 8.5 - 1. In which of the following sulfur species, SF2,...Ch. 8.5 - 2. How many lone pairs of electrons are on the...Ch. 8.6 - What is the shape of the dichloromethane (CH2C12)...Ch. 8.6 - Give the electron-pair geometry and molecular...Ch. 8.6 - Draw the Lewis structure for lCl2, and then decide...Ch. 8.6 - Use Lewis structures and the VSEPR model to...Ch. 8.6 - Which of the following species has...Ch. 8.6 - What is the molecular geometry of the SbF52 ion?...Ch. 8.6 - What is the approximate ClCCl bond angle in...Ch. 8.6 - 4. What is the molecular geometry of N2O (where...Ch. 8.7 - Draw the resonance structures for SCN. What are...Ch. 8.7 - For each of the following molecules, decide...Ch. 8.7 - 1. Which bond among those listed below is the most...Ch. 8.7 - 2. Which of the following best describes the...Ch. 8.7 - Three resonance forms can be drawn for the...Ch. 8.8 - The electrostatic potential surface for SOCl2 is...Ch. 8.8 - Using the bond dissociation enthalpies in Table...Ch. 8.8 - 1. Which of the hydrogen halides is the most...Ch. 8.8 - Which of the molecules listed below is nonpolar?...Ch. 8.9 - 1. Which of the following species has the longest...Ch. 8.9 - 2. Which of the following species has the largest...Ch. 8.9 - 3. Use bond dissociation enthalpies to estimate...Ch. 8 - Give the periodic group number and number of...Ch. 8 - Give the periodic group number and number of...Ch. 8 - For elements in Groups 4A-7A of the periodic...Ch. 8 - Which of the following elements are capable of...Ch. 8 - Draw a Lewis structure for each of the following...Ch. 8 - Draw a Lewis structure for each of the following...Ch. 8 - Draw a Lewis structure for each of the following...Ch. 8 - Draw a Lewis structure for each of the following...Ch. 8 - Show all possible resonance structures for each of...Ch. 8 - Show all possible resonance structures for each of...Ch. 8 - Draw a Lewis structure for each of the following...Ch. 8 - Draw a Lewis structure for each of the following...Ch. 8 - Determine the formal charge on each atom in the...Ch. 8 - Determine the formal charge on each atom in the...Ch. 8 - Determine the formal charge on each atom in the...Ch. 8 - Determine the formal charge on each atom in the...Ch. 8 - Draw a Lewis structure for each of the following...Ch. 8 - Draw a Lewis structure for each of the following...Ch. 8 - The following molecules or ions all have two...Ch. 8 - The following molecules or ions all have three...Ch. 8 - Draw a Lewis structure for each of the following...Ch. 8 - Draw a Lewis structure for each of the following...Ch. 8 - Give approximate values for the indicated bond...Ch. 8 - Give approximate values for the indicated bond...Ch. 8 - Phenylalanine is one of the natural amino acids...Ch. 8 - Acetylacetone has the structure shown here....Ch. 8 - For each pair of bonds, indicate the more polar...Ch. 8 - For each of the bonds listed below, tell which...Ch. 8 - Urea, (NH2)2CO, is used in plastics and...Ch. 8 - Considering both formal charges and bond...Ch. 8 - Considering both formal charge and bond...Ch. 8 - Three resonance structures are possible for...Ch. 8 - Three resonance structures are possible for the...Ch. 8 - Compare the electron dot structures of the...Ch. 8 - Compare the electron dot structures of the...Ch. 8 - The chemistry of the nitrite ion and HNO2: (a) Two...Ch. 8 - Draw the resonance structures for the formate ion,...Ch. 8 - Consider the following molecules: (a) H2O (b) NH3...Ch. 8 - Consider the following molecules: (a) CH4 (b)...Ch. 8 - Which of the following molecules is(are) polar?...Ch. 8 - Which of the following molecules is(are) not...Ch. 8 - Give the bond order for each bond in the following...Ch. 8 - Give the bond order for each bond in the following...Ch. 8 - In each pair of bonds, predict which is shorter....Ch. 8 - In each pair of bonds, predict which is shorter....Ch. 8 - Consider the nitrogen-oxygen bond lengths in NO2+,...Ch. 8 - Compare the carbon-oxygen bond lengths in the...Ch. 8 - Consider the carbon-oxygen bond in formaldehyde...Ch. 8 - Compare the nitrogen-nitrogen bond in hydrazine,...Ch. 8 - Ethanol can be made by the reaction of ethylene...Ch. 8 - Methanol can be made by partial oxidation of...Ch. 8 - Hydrogenation reactions, which involve the...Ch. 8 - Phosgene, Cl2CO, is a highly toxic gas that was...Ch. 8 - The compound oxygen difluoride is quite reactive,...Ch. 8 - Oxygen atoms can combine with ozone to form...Ch. 8 - Specify the number of valence electrons for Li,...Ch. 8 - In boron compounds, the B atom often is not...Ch. 8 - Which of the following compounds or ions do not...Ch. 8 - In which of the following does the central atom...Ch. 8 - Draw resonance structures for the formate ion,...Ch. 8 - Consider a series of molecules in which carbon is...Ch. 8 - To estimate the enthalpy change for the reaction...Ch. 8 - What is the principle of electroneutrality? Use...Ch. 8 - Draw Lewis structures (and resonance structures...Ch. 8 - Draw resonance structures for the SO2 molecule,...Ch. 8 - What are the orders of the NO bonds in NO2 and...Ch. 8 - Which has the greater ONO bond angle, NO2 or NO2+?...Ch. 8 - Compare the FClF angles in CIF2+ and ClF2. Using...Ch. 8 - Draw an electron dot structure for the cyanide...Ch. 8 - Draw the electron dot structure for the sulfite...Ch. 8 - Dinitrogen monoxide, N2O, can decompose to...Ch. 8 - The equation for the combustion of gaseous...Ch. 8 - The cyanate ion, OCN, has the least...Ch. 8 - Vanillin is the flavoring agent in vanilla extract...Ch. 8 - Explain why (a) XeF2 has a linear molecular...Ch. 8 - The formula for nitryl chloride is ClNO2 (in which...Ch. 8 - Hydroxyproline is a less-common amino acid. (a)...Ch. 8 - Amides are an important class of organic...Ch. 8 - Use the bond dissociation enthalpies in Table 8.8...Ch. 8 - The molecule shown here. 2-furylmelhanethiol, is...Ch. 8 - Dihydroxyacetone is a component of quick-tanning...Ch. 8 - It is possible to draw three resonance structures...Ch. 8 - Acrolein is used to make plastics. Suppose this...Ch. 8 - Molecules in space: (a) In addition to molecules...Ch. 8 - 1,2-Dichloroethylene can be synthesized by adding...Ch. 8 - The molecule pictured below is epinephrine, a...Ch. 8 - You are doing an experiment in the laboratory and...Ch. 8 - Methylacetamide, CH3CONHCH3, is a small molecule...Ch. 8 - A paper published in the research Journal Science...Ch. 8 - Uracil is one of the bases in RNA, a close...Ch. 8 - White phosphorus exists as P4 molecules with...Ch. 8 - The answer in Study Question 95 does not exactly...Ch. 8 - Bromine-containing species play a role in...Ch. 8 - Acrylamide, H2C=CHCONH2, is a known neurotoxin and...

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