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100年 - 100 學士後西醫:有機化學#35480
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43. Which of the following reactions will not yield a ketone product?
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統計:
A(3), B(5), C(3), D(0), E(17) #1026928
詳解 (共 2 筆)
一起加油! 邀請碼228480
B1 · 2025/12/10
#7222324
這個問題要求從給定的五個有機反應中,找...
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B2 · 2026/04/01
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44. Which of the following is a nonreducing sugar (does not react with Tollens' reagent)?
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45. Formulas for four ethyl ethers are drawn below.Which two ethers are cleaved by aqueous acid much more easily than the other two? (A) I and II (B) II and III (C) III and IV (D) I and IV (E) III and IV
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48. Which of the following alcohols undergoes dehydration upon heating with concentrated H2SO4 without carbocation rearrangement? (A) 2-methylhexan-3-ol (B) 3-methylpentan-3-ol (C) 3,3-dimethylpentan-2-ol (D) 2-methyl-2-phenylpropan-1-ol (E) both A and B
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51. What is the structure for A?
#1026936
52. Which reagent(s) can be used to convert bromobenzene to benzoic acid? (A) 1. NaCN; 2. NaOH, H2O (B) KMnO4 (C) 1. Mg; 2. CO2, then H3O+ (D) CrO3, HCl (E) 1. CH3Br; 2. CrO3, H2SO4.
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53. In addition to 2-butanone, a second product is formed in the following acid-base reaction. Choose the structure for this second product.
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