ch02_resonance_rules

ch02_resonance_rules - Chapter 02 Resonance/Acid Base...

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www.zadefaraj.com Chapter 02 Resonance/Acid Base Rules/Hybridization Rules for determining Major and Minor resonance contributors (in order of priority) 1. All atoms have an octet. 2. Charges: Negative charge on most electronegative. Positive charges on most electropositive. 3. As little charge separation as possible. Ways to compare and identify strong acids/bases Recall: A cid is a P roton D onor (the proton being Hydrogen) Base is a Proton Acceptor Acid is an Electron Acceptor Base is an Electron Donor Acid and Base reactions favor weaker acids and bases. Equilibrium will lie towards the weaker. The smaller the pKa, the stronger the acid. A strong acid has a very stable conjugate base . Use both of these methods together to make your determination. 1. Deprotonate the acid to form its conjugate base and check: Electronegativty ; more electronegative, the more stable the conj. base, the
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ch02_resonance_rules - Chapter 02 Resonance/Acid Base...

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