Chemistry Help please?

Posted on 2015-11-12 12:36:00 in Chemistry by ALEEZA

1) 2-Chlorobutanoic acid and 3-chlorobutanoic acid have ionization constants that are practically identical. T or F?

2) The stronger an acid, the larger its pKa value. T or F?

3) Which of the following compounds has the lowest boiling point?

A.1-butanol
B.butanoic acid
C.butanenitrile
D.methyl propanoate
E.butanamide

4) The methyl ester of a carboxylic acid can be synthesized directly using:

A.thionyl chloride, SOCl2
B.phosphorus pentachloride, PCl5
C.methyl iodide, CH3I
D.diazomethane, CH2N2
E.methyl amine, CH3NH2

5) Carboxylic acids are either solids or liquids at room temperature. T or F?

6)Which of the following yields p-bromobenzoic acid from benzene?

A.Br2, FeBr3; then KMnO4, OH– ; then H3O+

B.KMnO4, OH– ; then H3O+; then Br2, FeBr3

C. CH3CH2MgBr, ether; then KMnO4, OH– ; then H3O+; then Br2, FeBr3

D.CH3CH2Br, AlCl3; then Br2, FeBr3; then KMnO4, OH– ; then H3O+

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