![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
某弱酸型指示剂HIn的则该指示剂的理论变色范围为()A、5~6 B、5~7 C、6~7 D、6~8
A.5~6
B.5~7
C.6~7
D.6~8
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.5~6
B.5~7
C.6~7
D.6~8
A.3.2x10-5
B.3.2×10-7
C.3.2x10-6
D.3.2x10-4
A.甲基红(pH=4.4~6.2)
B.酚酞(pH=8.0~10.0)
C.苯酚红(pH=6.8~8.4)
D.麝香草酚酞(pH=9.3~10.5)