exam 1 answer vega

exam 1 answer vega - CHM 2210 exam 1 form 1 Lpez de la Vega...

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CHM 2210 exam 1 form 1 López de la Vega 1. Which structure(s) contain(s) an oxygen that bears a formal charge of +1? O H 3 CC H 3 CH 3 IV O H 3 CH H III O C O II O C H O I O C O O V .. : : : : : : : : : : a) I and II b) III and IV c) V d) II e) I and V 2. Which is not a correct Lewis structure? a) N H F H : b) C HF H H : . . . . c) O HO H d) O B O O : : H H H e) Choose this answer if none of the above are correct 3. VSEPR theory predicts an identical shape for all the following except: a) NH 3 b) H 3 O + c) BH 3 d) CH 3 - e) none are correct 4. Select the hybridized atomic orbital. (answer is c) a b c d e
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CHM 2210 exam 1 form 1 López de la Vega 5. Which of the following contains an sp 2 hybridized carbon? a) CH 4 b) CH 3 -1 c) CH 3 CH 3 d) CH 3 + e) HCCH 6. Which of the following pairs are not resonance structures? I H 3 CONO : : H 3 : and II .. OCO and III H 3 : H 3 CN O O and a) I only b) II only c) III only d) I and II but not III e) I, II and III 7. Which of the following is a set of constitutional isomers? Br Br Br Br IV III II I a) I and II b) II and III c) I, II and III d) II, III and IV e) I, III and IV 8. Which molecule would you expect to have no dipole moment?
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This note was uploaded on 06/03/2008 for the course CHM 2210 taught by Professor Vega during the Spring '08 term at Valencia.

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exam 1 answer vega - CHM 2210 exam 1 form 1 Lpez de la Vega...

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