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Draw three contributing structures of the following compound (called guanidine)and state
Chapter 1, Problem 1.19(choose chapter or problem)
Draw three contributing structures of the following compound (called guanidine)and state the hybridization of the four highlighted atoms. In which orbitals do thethree lone pairs drawn reside?
Questions & Answers
QUESTION:
Draw three contributing structures of the following compound (called guanidine)and state the hybridization of the four highlighted atoms. In which orbitals do thethree lone pairs drawn reside?
ANSWER:Key concepts
Resonance structure
Many molecules and ions, according to this theory, are best described by writing two or more Lewis structures and considering the actual molecule or ion to be a composite of these structures.
Contributing structures
Representations of molecules that differ only in their valence electron distribution
Delocalization
The spreading of charge and/or an electron density over a larger volume of space.
Conjugation
Lack of atoms between 
Step 1 of 2
Structure of a guanidine is given and we are asked to draw the contributing structure and state the hybridization of the four highlighted atoms.
Contributing structures are those representations of molecules that differ only in their valence electron distribution.