将下列化合物按酸性由大到小排序正确的是( )(1)乙酸 (2) 丙二酸 (3) 草酸 (4) 甲酸
A: (2)>(3)>(1)>(4)
B: (2)>(3)>(4)>(1)
C: (3)>(2)>(4)>(1)
D: (3)>(2)>(1)>(4)
A: (2)>(3)>(1)>(4)
B: (2)>(3)>(4)>(1)
C: (3)>(2)>(4)>(1)
D: (3)>(2)>(1)>(4)
举一反三
- 比较下列化合物的碱性强弱(1)脲(2)乙酰胺(3)乙胺(4)丙二酰脲 A: (1)>(2)>(3)>(4) B: (2)>(4)>(3)>(1) C: (3)>(1)>(2)>(4) D: (4)>(2)>(3)>(1)
- 将下列化合物按碱性由强到弱排序:( )<br/>(1)二乙胺 (2)苯胺 (3)对甲基苯胺 (4)氨 (5)对硝基苯胺 A: (1)>(4)>(3)>(2)>(5) B: (2)>(4)>(3)>(1)>(5) C: (3)>(2)>(1)>(4)>(5) D: (1)>(2)>(3)>(4)>(5)
- 将下列化合物按极性大小排列顺序:(1)CH4 (2)CH3F (3)CH3Cl (4 )CH3Br (5)CH3I A: (1)>(2)>(3)>(4)>(5) B: (5)>(4)>(3)>(2)>(1) C: (2)>(3)>(4)>(5)>(1) D: (3)>(4)>(5)>(1)>(2)
- 化合物(1)正丙基氯、(2)乙醚、(3)正丁醇、(4)仲丁醇的沸点由高到低的顺序为() A: (1)>(2)>(3)>(4) B: (3)>(4)>(1)>(2) C: (2)>(3)>(1)>(4) D: (2)>(4)>(1)>(3)
- 下列物质(1) CaO;(2) MgO;(3) NH3;(4) PH3熔点由高到低的顺序为:( ) A: (1) > (2) > (3) > (4) B: (1) > (2 ) > (4 ) > (3) C: (2) > (1) > (4) > (3) D: (2 ) > (1) > (3 ) > (4 )