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97年 - 97下1高二化學 - 臺北市市立成功中學97 下學期高二化學第一次段考(期中考)#53792
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(a) Rank the following in order of increasing pKa (from lowest to highest pKa)(A)1
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(b)Which sequence correclly ranks the following protons in order of increasing acidity?(A)1
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(c) Which of the following structures, if flat, would be classified as antiaromatic?
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(d) In biological systems, sulfonium salts such as SAM serve what function? (A) esterifying agents (B) epoxidizing agents (C) nucleophilic agents (D) crown ether agents (E) alkylating agents
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(e) Which of the following is the best way to synthesize t-butyl ethyl ether? (A) treatment of t-butyl bromide with sodium ethoxide (B) treatment of ethyl bromide with sodium t-butoxide (C) heating a mixture of ethanol and t-butanol in sulfuric acid (D) treating t-butyl bromide with Hg(OAc)2 (E) treating t-butanolwith IIg(OAc)2
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