Practice_Quiz_21_blank

Practice_Quiz_21_blank - hydroperoxide (I). In an aqueous...

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(1) Provide the products for the following reactions. (A) NH 2 CH 3 (i) NaNO 2 , aq HCl, 0-5 o C (ii) Cu 2 O, Cu(NO 3 ) 2 , H 2 O (B) Cl NO 2 NO 2 NaOEt ethanol + NaCl (C) Cl CH 3 NaNH 2 liq NH 3 , -33 o C
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(2) Answer the following questions. (A) An aromatic compound is soluble in aqueous NaOH but not in aqueous NaHCO 3 . Which compound below is consistent with these observations? NH 2 CH 3 OCH 3 CH 3 OH CH 3 CO 2 H CH 3 (B) The relative acidity (strongest to weakest) of the phenols below is OH CH 3 OH CF 3 OH I II III I>II>III II>I>III II>III>I III>II>I (C) The relative reactivity (fastest to slowest) of the chlorobenzenes below towards NaOCH 3 in methanol is Cl CH 3 Cl NO 2 Cl NO 2 NO 2 I II III I>II>III II>I>III II>III>I III>II>I
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(3) Free radical chain oxidation of cumene (isopropylbenzene) provides cumene
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Unformatted text preview: hydroperoxide (I). In an aqueous acid solution, I yields two important industrial chemicals, phenol and acetone. Provide a mechanism for this reaction. COOH CH 3 CH 3 I H 3 O + H 2 O OH + CH 3 CCH 3 O = (4) In nucleophilic aromatic substitution of p-nitrohalobenzenes, there is little or no difference in reaction rate among the different aryl halides, despite the large difference in C-X bond strengths: C 6 H 5-I (65 kcal/mol), C 6 H 5-Br (72 kcal/mol), C 6 H 5-Cl (86 kcal/mol), C 6 H 5-F (116 kcal/mol). Explain this observation. NO 2 X + NaOCH 3 methanol NO 2 OCH 3 + NaX...
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This note was uploaded on 01/23/2011 for the course CHEM 322BL taught by Professor Singer during the Spring '07 term at USC.

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Practice_Quiz_21_blank - hydroperoxide (I). In an aqueous...

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