PS2 - Explain why it is less polar than formaldehyde, H 2...

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CHEM 3A Problem Set 2 (January, 31 2007 ) NOTE: No problem sets will be turned in for 3A lecture!
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A) Write a Lewis structure for acetonitrile, C 2 H 3 N, which contains a carbon-nitrogen triple bond. How many electrons does the nitrogen atom have in its valence shell. How many are involved in bonding? What is the hybridization on each C atom. B) Decide on the hybridization of each carbon and identify the functional groups you know in the following molecules HC HC C H CH C H C C O H 2 C O C H 2 N CH 2 H 2 C CH 3 CH 3 CH HC C H C O CH O H 2 C HO OH Procaine (novocaine) vitamin C C) The chemical phosgene, Cl 2 C=O, is one of the more infamous chemical warfare agents used in World War I.
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Unformatted text preview: Explain why it is less polar than formaldehyde, H 2 C=O. D) Calculate the formal charge on the highlighted atoms in the following molecules. a) b) c) H 3 C O CH 3 B F 3 HC HC N CH CH H C O P CH 3 CH 3 CH 3 H 2 C E) Add formal charges and draw as many resonance structures as you can for these molecules: a) b) c) H 3 C C O CH 2 HC HC C H CH 2 CH H C H 2 N C NH 2 NH 2 F) Determine whether each of the following molecules is Lewis acidic or Lewis basic. a) AlCl 3 b) CH 3 NH 2 c) BF 3 d) HF e) CH 3 CH 2 SCH 2 CH 3 f) TiCl 4...
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PS2 - Explain why it is less polar than formaldehyde, H 2...

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