Ch 2 Alkanes practic problems

Ch 2 Alkanes practic problems - (c) HC CNa H 2 C CHNa H 3 C...

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1. Identify the stronger acid among each pair: (a) NH 3 or CH 3 OCH 3 ; (b) PH 3 or H 2 S; (c) PH 3 or NH 3 ; (d) HCl or H 2 Se; (e) CH 3 CH 2 OH or CH 3 COOH; (f) HNO 3 (nitric acid) or HNO 2 (nitrous acid); (f) H 2 O or H 3 O + ; (g) NH 3 or NH 2 - ; (h) CH 3 CH 2 - or CH 2 CH - 2. Identify the stronger acid among each pair of compounds, and justify your reasoning. (a) (b) OH OH or OH O F F OH O F F or (c) H C H O H C H C H H or (d) H 3 C S H H H 3 C O H H or H 3 C C N H N H H H H (e) or 3. Identify the most acidic H in each compound, and justify your reasoning. C C C O H H H H H H (a) (b) C C C H H H H H C H H H 4. Arrange the following from strongest to weakest acid: H 3 C O OH OH F 3 C O OH (a) (b) O N H H O O H O N H H 5. Identify the more basic species among each pair: (a) NH 3 or H 2 O; (b) CH 3 O - or (CH 3 ) 2 N - ; (c) CH 3 OCH 3 or CH 3 SCH 3 ; (d) N 3 - or CN - 6. Rank the following from most basic to least basic. (b) C O O O H CH 3 C O O CF 3 (a) Si H H H S H P H H
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Unformatted text preview: (c) HC CNa H 2 C CHNa H 3 C CH 2 Na 7. Name the following alkanes: (a) (b) (c) 8. Write the structure of each alkane: (a) 3,4-diethylhexane; (b) 3-ethyl-4-propyl-2-methylheptane 9. Give the common and IUPAC name of the following alkanes: (c) (a) (b) (d) 10. Give the common name of each alkyl substituent in the compound below. Then name the compound using common names for the alkyl substituents. CH C(CH 3 ) 3 CH 3 H 3 C CH 2 CH(CH 3 ) 2 11. Write the structure of: (a) 5-isobutyl-2,4,4-trimethylnonane; (b) 4-sec-butyl-6-isopropyl-3-methylnonane; (c) 3,4,4-tri-(1,1-dimethylethyl)hexane...
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This note was uploaded on 03/12/2010 for the course CHEM chem 140A taught by Professor Dr.yang during the Fall '07 term at UCSD.

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Ch 2 Alkanes practic problems - (c) HC CNa H 2 C CHNa H 3 C...

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