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Chapter 7: Q 47 E (page 397)

Sodium nitrite, which has been used to preserve bacon and other meats, is an ionic compound. Write the resonance forms of the nitrite ion, \({\rm{NO}}_{\rm{2}}^{\rm{ - }}\).

Short Answer

Expert verified

The resonance forms of Nitrate Ion are 鈥�

Step by step solution

01

Concept Introduction

Resonance is used to ascertain delocalized electrons within molecules or polyatomic ions.

02

Resonance form of Nitrate Ion

If possible, convert lone pairs to bonds and bonds to lone pairs while drawing resonance structures. One oxygen atom has three lone pairs (in the final shell) in the Lewis structure \({\rm{NO}}_{\rm{2}}^{\rm{ - }}\) ion, and that oxygen atom is joined to the nitrogen atom by a single bond.

Below are the resonance forms of \({\rm{NO}}_{\rm{2}}^{\rm{ - }}\) 鈥�

Therefore, the resonance forms of \({\rm{NO}}_{\rm{2}}^{\rm{ - }}\)are obtained.

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Most popular questions from this chapter

Write out the full electron configuration for each of the following atoms and for the monatomic ion found in binary ionic compounds containing the element: (a) \({\rm{Al}}\) (b) \({\rm{Br}}\) (c) \({\rm{Sr}}\) (d) \({\rm{Li}}\) (e) \({\rm{As}}\) (f) \({\rm{S}}\) .

What information can you use to predict whether a bond between two atoms is covalent or ionic?

What feature of a Lewis structure can be used to tell if a molecule鈥檚 (or ion鈥檚) electron-pair geometry and molecular structure will be identical?

Question: Using the bond energies in Table \({\rm{7}}{\rm{.2}}\), determine the approximate enthalpy change for each of the following reactions:

(a) \({{\rm{H}}_{\rm{2}}}{\rm{(g) + B}}{{\rm{r}}_{\rm{2}}}{\rm{(g)}} \to {\rm{2HBr(g)}}\)

(b) \({\rm{C}}{{\rm{H}}_{\rm{4}}}{\rm{(g) + }}{{\rm{I}}_{\rm{2}}}{\rm{(g)}} \to {\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{I(g) + HI(g)}}\)

(c) \({{\rm{C}}_{\rm{2}}}{{\rm{H}}_4}{\rm{(g) + 3}}{{\rm{O}}_{\rm{2}}}{\rm{(g)}} \to {\rm{2C}}{{\rm{O}}_{\rm{2}}}{\rm{(g) + 2}}{{\rm{H}}_{\rm{2}}}{\rm{O(g)}}\)

Describe the molecular structure around the indicated atom or atoms:

  1. The sulfur atom in sulfuric acid, H2SO4 [ (HO)2 SO2]

  2. The chlorine atom in chloric acid, HClO3 [HOClO2]

  3. The oxygen atom in Hydrogen peroxide, HOOH

  4. The nitrogen atom in nitric acid, HNO3 [HONO2]

  5. The oxygen atom in OH group in nitric acid, HNO3 [HONO2]

  6. The central oxygen atom in the ozone molecule, O3

  7. Each of the carbon atoms in the propyne, CH3 CCH

  8. The carbon atom in Freon, CCl2 F2

  9. each of the carbon atoms in allene H2CCCH2
See all solutions

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