322B_1ST_PRAC_ANSWERS

322B_1ST_PRAC_ANSWERS - 322b Practice First Progress Test...

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322b Practice First Progress Test Fall 2006 1.a) Arrange in order of decreasing stability (Take account of resonance structures!) (a) (CH 3 ) 2 C=CH-CH 2 (b) (CH 3 ) 2 C=CHCH CH 3 (c) H 2 C= CHCH 2 (d) CH=CHC(CH 3 ) 3 (e) (H 3 C) 3 C (f) CH= CH 2 Answer: (b) > (a) > (c) > (e) > (d) > (f) b) H CH 2 CH=CH 2 CH 2 =CH (CH 3 ) 3 C + CH 2 =CH-CH 3 (a) (b) (c) (d) (e) (f) Answer: (b) > (c) > (a) > (d) > (f) > (e) 2. Arrange in order of decreasing basicity: NaOH, CH 3 Li, Cl - , NH 2 K, CH 3 COONa, CH 3 CH=CHLi (a) (b) (c) (d) (e) (f) Answer: b > f> d > a > e > c 3. Indicate the hybridization symbol of the starred atoms * * * C * O * H C C * C * H 3 C H 3 C * CH 3 H O * sp 3 sp 2 sp sp 3 sp 2 sp 2 sp 2 sp 2 sp 3 4. Write electronic structures of (include formal charges): CO 2 HNO 3 NO + HSO 4 - NO 2 - CN - O C O N O O O H + _ N C _ N O O _ O S O OH O _ N O + 5. Circle and name the functional groups. Also indicate the oxidation number at the starred atoms. O
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322B_1ST_PRAC_ANSWERS - 322b Practice First Progress Test...

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