Consider the acid-base indicator, HIn, featured below:
Hln (aq) + H2O (l) ⇌ In– (aq) + H3O+ (aq) K a = 1.0 x 10–4
Which of the following statements regarding this indicator is FALSE?
(a) The indicator gradually changes color over a pH range of ~ 3-5.
(b) The predominant color of the indicator in its acid range is yellow.
(c) At its end point, the indicator will appear orange.
(d) When placed in a neutral solution (at 25°C), the indicator will appear red.
(e) This indicator is suitable to use in a titration involving a weak acid with a strong base.
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Acid Base Indicators concept. If you need more Acid Base Indicators practice, you can also practice Acid Base Indicators practice problems.
What is the difficulty of this problem?
Our tutors rated the difficulty ofConsider the acid-base indicator, HIn, featured below:Hln (a...as medium difficulty.
How long does this problem take to solve?
Our expert Chemistry tutor, Jules took 4 minutes and 35 seconds to solve this problem. You can follow their steps in the video explanation above.
What professor is this problem relevant for?
Based on our data, we think this problem is relevant for Professor Dixon's class at UCF.