17. a For the following species, draw two valid resonance structure(s). HINT: Draw in lone pairs. IZ N. Resonance Structure 1 Resonance Structure 2 b. Draw in arrows on the structures above to show how you got from the original resonance structure to your structure. c. Compare the resonance structures and rank all three structures (circle the appropriate structure). Explain why on the line provided #1(Original, RS 1, RS 2). #2(Original, RS 1, RS 2). # 3(Original, RS 1, RS 2). 18. What type of bonds hold organic molecules together? How are they different than the bonds that hold inorganic molecules together? Be specific, I want more than just names of bonds.
Formal Charges
Formal charges have an important role in organic chemistry since this concept helps us to know whether an atom in a molecule is neutral/bears a positive or negative charge. Even if some molecules are neutral, the atoms within that molecule need not be neutral atoms.
Polarity Of Water
In simple chemical terms, polarity refers to the separation of charges in a chemical species leading into formation of two polar ends which are positively charged end and negatively charged end. Polarity in any molecule occurs due to the differences in the electronegativities of the bonded atoms. Water, as we all know has two hydrogen atoms bonded to an oxygen atom. As oxygen is more electronegative than hydrogen thus, there exists polarity in the bonds which is why water is known as a polar solvent.
Valence Bond Theory Vbt
Valence bond theory (VBT) in simple terms explains how individual atomic orbitals with an unpaired electron each, come close to each other and overlap to form a molecular orbital giving a covalent bond. It gives a quantum mechanical approach to the formation of covalent bonds with the help of wavefunctions using attractive and repulsive energies when two atoms are brought from infinity to their internuclear distance.
#17:(a):
Resonance structures of a molecule can be drawn by shifting the electron pair from one atom to the adjacent atom till all the resonance structures are drawn.
The lone pair on the N atom and the carboanion will forma 1 resonance structure each as shown below:
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