下列物质对弱氧化剂的稳定性顺序是()。a. CH3CHO b. CH2=CH2 c.CH3 COCH3
A. a>b>c
B. c>b>a
C. a>c>b
D. b>a>c
下列羧酸的酸性大小的正确顺序是( )。a.CH3CH2COOH b. CH3CBrHCOOH c. CH3COOH d. HOOC—COOH
A. a>b>c>d
B. b>a>c>d
C. d>c>b>a
D. c>d>a>b
下列物质碱性强弱顺序为( )。a.(CH3)4N+OH— b.(CH3)2NH c.CH3NH2
A. a>b>c
B. c>b>a
C. a>c>b
D. c>a>b