We have sigma bond σ pi π bond Energy Sigma σ framework is the overlap of with

We have sigma bond σ pi π bond energy sigma σ

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We have __ sigma bond ( σ ) & __ pi (π) bond. Energy Sigma ( σ ) framework is the overlap of ____ with ____ and the overlaps of ____ with ____ .
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C 2 H 4 : Drawing the pi (π) framework Oct 28th-Nov 4th 2019 Valence Bond Theory Rotating between the Carbon-Carbon bond results in There are two ways we can draw the pi-framework: a) b)
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Draw the Lewis for HCCH ____ electron groups on each carbon ____ hybridization on each carbon HCCH: Drawing the sigma & pi framework Oct 28th-Nov 4th 2019 Valence Bond Theory What happens when we have a double bond? We have __ sigma bond ( σ ) & __ pi (π) bond. Ene Ene The sigma ( σ ) framework is the overlap of _____ with_________. The pi (π) framework is the overlap of ____________ &_____________. 83
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Oct 28th-Nov 4th 2019 Valence Bond Theory Conclusions:
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Methanal (formaldehyde) Oct 28th-Nov 4th 2019 Valence Bond Theory 84 Energy Ene Ene Energy C O
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Which of the following are a correctly drawn structure for 2,3-dimethylbut-2-ene? i. ii. iii. iv. Oct 28th-Nov 4th 2019 Valence Bond Theory a) i & ii only b) ii & iv only c) iii & iv only d) i, iii & iv only e) ii, iii & iv only f) all of the above 85
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Which of the following statements are true? a) One can use either the Lewis or VSEPR when drawing the sigma and pi framework. b) There are 4 e-s in a pi-bond two in the top lobe and two in the bottom. c) Oxygen in CH 3 OCH 3 is sp hybridized because we ignore the lone pairs when hybridizing d) We always need to re-orient the molecule when drawing the pi-framework no matter the hybridization e) We don’t need to know Lewis and VSEPR to get a question on hybridization correct. f) None of the above are correct. Oct 28th-Nov 4th 2019 Valence Bond Theory 86
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From a previous exam… Oct 28th-Nov 4th 2019 Valence Bond Theory 87
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How many sigma and pi bonds are in this molecule of acetylsalicylic acid (aspirin)? a) 14 sigma and 5 pi bonds b) 16 sigma & 5 pi bonds c) 18 sigma & 5 pi bonds d) 21 sigma & 5 pi bonds e) 22 sigma & 6 pi bonds f) 24 sigma & 6 pi bonds Oct 28th-Nov 4th 2019 Valence Bond Theory 88
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Complete the statement: Looking at acetaminophen (Tylenol) there are… a) 1, 7 & 6 b) 1, 7 & 9 c) 7, 1 & 6 d) 2, 6 & 9 e) 6, 2 & 7 f) None of the above __ sp 3 hybridized C atoms, ___ sp 2 hybridized C atoms & ___ unhybridized H atoms. Oct 28th-Nov 4th 2019 Valence Bond Theory 89
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Taking a closer look at the AMIDE functional group Go back to the organic naming website to the amide naming page and look at the geometry of each atom in the figure, make sure to rotate it on the page to really determine each geometry: m/amides/amides-01.html Oct 28th-Nov 4th 2019 Valence Bond Theory Does the geometries of one of the atoms look different than you would have thought?
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  • Winter '10
  • DR.CLARK
  • Sullivan, Valence Bond Theory

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