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114年 - B4 Lesson 01:The Lady or the Tiger?_文法選擇#128824
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23. A student gave a molecule the following name: 3-methyl-4-isopropylpentane. What is the correct IUPAC name? (A)4-isopropyl-3-methylpentane (B)2-isopropyl-3-methylpentane (C)1,1,2,3-tetramethylpentane (D)2,3,4-trimethylhexane (E)3,4-dimethylheptane
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24. When C4H8 is treated with water and H2SO4, a tertiary alcohol is produced. Which of the following structures could represent C4H8 in this reaction? (A)CH3CH=CHCH3 (B)CH3CH2CH=CH2 (C)(CH3)2C=CH2 (D)CH3CH2CH2CH3 (E)none of these
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25. What's the total number of aldehydes and ketones that have the formula ? (A)6 (B)5 (C)9 (D)8 (E)7
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