Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Provide all resonance contributors for molecules 1 & 2 below. (Include the orginal structure provided below to start your answer). For each molecule, draw the actual resonance hybrid structure indicating the atoms that carry a partial charge using the o symbol. (No numerical value needed)

Transcribed Image Text:||
+
1:
:O:
NH₂
Expert Solution

Step 1: Resonance
Resonance:-
- The different structure of a compound divided by different methods of pairing electrons in a fixed atomic skeleton is called resonance of cannonical structures.
- The actual structure of the compound is then combination of these structures and hence the compound is called resonance hybride.
- A hybrid is more stable than any one of the contributing structures.
- The contributing resonance structures are shown by double headed arrows.
- Resonating structures are imaginary hypothetical while resonance hybrids is true structure.
- Resonance involves the delocalization of lone pairs and pi electrons.
- Resonance must follow Lewis octet rule that is C atom never pentavalent and O atom never tetravalent.
- In the resonating structure arrangement of atoms remains same there should be difference only in relative arrangement of electrons.
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