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Concept explainers
Interpretation: The important resonances of molecules mentioned below should be drawn.
Concept introduction:When one single structure is unable to describe all the properties of single molecule, a phenomenon called resonance comes into play. This arises when two or more than two Lewis structures are possible for one molecule. All such structures are called resonating structures and have same placement of atoms in them but these have different locations of bond pairs and lone pairs. The resonating structures are inter-convertible with each other. The resultant of all the resonating or contributing structures is called the resonance hybrid.
Rules to form resonance structure are as follows:
1. Use arrow types 1 and 2 for resonance structure of anions in movement of negative charge.Arrow type 1 shows the movement of lone pair toward adjacent atom and then converted into
2. Use only arrow type 3 to move a positive charge for resonance structure of cations.Arrow type 3 is used to move
3. The sigma bond should not be broken. Any atom must not move from its place and total number of electrons must be same in all resonance structures.
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Chapter 5 Solutions
Organic Chemistry: A Guided Inquiry
- Draw one resonance structure of the following substance different from the given one. Interactive 3D display mode H3C O CH3arrow_forwardDraw two resonance structures of the given molecule/ion. Be sure to include all lone pairs. :6: iiarrow_forwardIs the following true or false? In general, the more resonance structures that can be constructed for a molecule the more stable a molecule is.arrow_forward
- Explain the Below fact ? A “better” resonance structure is one that has more bonds and fewercharges.arrow_forwardGeneral Lewis Structures Determine whether each compound is ionic or molecular and draw an appropriate Lewis structure: a.MgSb.PI3c.SrCl2d.CHClO(carbonisthecentralatom)arrow_forwardIn the Lewis structure for chloromethane, the chlorine atom is sharing _____ electron pair and “owns” _____ of those electrons. Also, the chlorine atom possesses two electrons from each of _____ unshared pairs. The total number of electrons that belong to chlorine is 7 . Chlorine is a Group ____ element. The formal charge on chlorine in chloromethane is ____.arrow_forward
- 1. Draw the resonance structures of the following molecule, using curved arrows to show electron movement and appropriate arrows to show the relationship between the structures. All lone pairs and charges must be clearly shown.arrow_forward3. One curved arrow shows the movement of an electron pair. o a bond (sigma or pi) involves two electrons, so each curved arrow indicates some change in bonding. Step 6: When a curved arrow starts from a o bond and points to a distant atom, the o bond breaks and a new o bond is formed. A -B A-C B* B-C A* or Note that two possible cations can be formed, depending on whether the electrons from the o bond move with atom A or B. Draw curved arrows to form the products shown. Select Draw Rings More Erase Al H. -0: + AIH, H - Al -H étv 0 hulu MacBook Pro GSearch or type URL & 5 7 T Y * 00arrow_forwardDraw an equivalent resonance structure that minimizes charge. Include all lone pairs in your structure. OU Harrow_forward
- Chemistry: Matter and ChangeChemistryISBN:9780078746376Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl WistromPublisher:Glencoe/McGraw-Hill School Pub CoChemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning
- Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage Learning
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