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105年 - 105 學士後西醫:有機化學#78642
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7. Which of these substances contains both covalent and ionic bonds?
(A) HN
3
(B) NH
4
Cl
(C) H
2
O
2
(D) XeF
2
(E) PCl
5
答案:
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統計:
A(0), B(42), C(0), D(1), E(0) #2053804
私人筆記 (共 2 筆)
涵涵(邀請碼107252)
2023/03/03
私人筆記#4920914
未解鎖
(B) NH4Cl contains b...
(共 403 字,隱藏中)
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4
0
Hsuan #AI筆記
2025/11/03
私人筆記#7536149
未解鎖
(共 0 字,隱藏中)
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2
0
相關試題
1. Rank the following monomers in order of increasing reactivity toward cationic polymerization (least reactive to most reactive). (A) III, IV, I, II (B) II, I, IV, III (C) I, II, IV, III (D) IV, III, I, II (E) I, II, III, IV
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2. What product would be obtained for the following reaction?(A) CH3(CH2)3C≡CCH2OH (B) CH3(CH2)3C≡CCHO (C) CH3(CH2)3C≡CH (D) CH3(CH2)3C≡CNMe2 (E) None of the above.
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3. Which two have the same molecular geometry? (A) I, II (B) III, IV (C) I, V (D) II, V (E) IV, V
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4. Which nitrogen(s) have more basic? (A) I (B) II (C) III (D) I, II, and III are acidic (E) None of the above.
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5. Rank the acidity of the following compounds. (A) I > IV > III > II (B) I > III > IV > II (C) IV > II > I > III (D) II > I > IV > III (E) None of the above.
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6. What is the order of increasing acidity for the following compounds? (A) IV < I < II < III (B) III < II < I < IV (C) III < II < IV < I (D) IV < II < I < III (E) I < IV < II < III
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9. How many monochloro substituted products C6H13Cl you might obtain by reaction of 2-methylpentane with Cl2? (A) 1 (B) 2 (C) 3 (D) 4 (E) 5
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10. There are some isomers of 4-t-butylcyclhexane-1,3-diol. Which isomer reacts readily with acetone and an acid catalyst to form an acetal, but other stereoisomers do not react? (A) (B) (C) (D) (E)
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11. Which of the following correctly describes a molecule that is achiral? (A) Non-superimposability of the molecule on its mirror image (B) Superimposability of the molecule on its mirror image (C) Contains a carbon atom with four different substituents (D) Does not have a plane of symmetry (E) Both {B} and {D}.
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