题目内容
(请给出正确答案)
[单选题]
下列物质酸性强弱次序中,错误的是()。
A.H2CrO4<H2Cr2O7;
B.H2S2O7<H2SO4;
C.ZnO>HgO;
D.Sb(OH)3>Bi(OH)3。
答案
B、H2S2O7<H2SO4;
![](https://lstatic.shangxueba.com/sxbcn/h5/images/tips_org.png)
A.H2CrO4<H2Cr2O7;
B.H2S2O7<H2SO4;
C.ZnO>HgO;
D.Sb(OH)3>Bi(OH)3。
第5题
A.CH3COOH>CH3CH2OH > CF3COOH> CH3NH2
B.CF3COOH> CH3NH2> CH3COOH>CH3CH2OH
C.CF3COOH> CH3COOH>CH3CH2OH> CH3NH2
D.CH3COOH> CF3COOH> CH3CH2OH> CH3NH2
第6题
A.Mg(OH)2>Al(OH)3> NaOH> KOH
B.NaOH>KOH> Mg(OH)2>Al(OH)3
C.KOH> NaOH>Mg(OH)2>Al(OH)3
D.KOH > Mg(OH)2>Al(OH)3 > NaOH
为了保护您的账号安全,请在“赏学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!