69. What compound is produced when (CH3)2CHCH2Br is subjected to thefollowing sequence of steps?1. M
70. Acid chlorides can be prepared from carboxylic acids by treatment with________.(A)(COCl)2(B)SOCl
72. What is the correct IUPAC name for the following compound?(A)N-ethyl-2,N-dimethylbutanamide(B)N-
73. Arrange the carboxylic acid derivatives below in order of increasing reactivitytowards nucleophi
74. The hydrolysis of esters in base is called ________.(A)the Fischer esterification(B)saponificati
75. Lithium aluminum hydride reduces carboxylic acids, acid chlorides, and estersto ________.(A)alde
76. What compound is produced when N,N-dimethylpropanamide is treated withLiAlH4?(A)CH3CH2CONH2(B)CH
78. Predict the major organic product from the following reaction. (A)carboxylic acid (B)ester (C)ni
79. What type of reaction is shown below?(A)Aldol condensation (B)Claisen Condensation (C)Michael Ad
5. 奧斯華德法合成硝酸的第一步反應: NH3 + O2 → NO + H2O (未平衡)如果 150 g 氨與 150 g 氧氣反應產生 87 g 一氧化氮，該反應的產率是多少?(A) 33% (B
6. 酒石酸的質量百分比組成為：C 32.01%、H 4.03%、O 63.96%。若酒石酸的分子量大約為150 amu，其分子式為何?(A) C3H3O7 (B) C4H8O6 (C) C4H6O6
8. 將 100 mL 2.0 M KCl 與 50 mL 1.5 M CaCl2 溶液混合所得到的溶液中氯離子的莫耳濃度是多少?(A) 2.3 M (B) 3.3 M (C) 4.3 M (D) 5