Jj.107. Which of the following indicators is most suitable for the titration curve shown in the figure below?10-8-6-4-2-00Select one:5Volume of HCI usedto reach equivalencepoint is 25.0 mL.T10T15equivalence point,pH = 5.1220 25Volume of titrant (mL)a. Phenolphthalein; pK₂ = 9.6b.Methyl red; pk, = 5.1c. Methyl orange; pk, = 3.7Od. Bromothymol blue; pK₂ = 7.0e. Bromocresol green; pK, = 4.730 35404550

Indicator pH range = (pKin ± 1) where pKin is the pKa value of indicator. When pH at equivalence…

Which of the following indicators is most suitable for the titration curve shown in the figure below? 10 8 6- 2- 0 Select one: 5 Volume of HCl used to reach equivalence, point is 25.0 mL. 10 15 equivalence point, pH = 5.12 20 25 30 35 Volume of titrant (mL) a. Phenolphthalein; pk, = 9.6 b. Methyl red; pk, = 5.1 c. Methyl orange; pk, = 3.7 Od. Bromothymol blue; pK₂ = 7.0 e. Bromocresol green; pk, = 4.7 40 45 50

Which of the following indicators is most suitable for the titration curve shown in the figure below? 10 8 6- 2- 0 Select one: 5 Volume of HCl used to reach equivalence, point is 25.0 mL. 10 15 equivalence point, pH = 5.12 20 25 30 35 Volume of titrant (mL) a. Phenolphthalein; pk, = 9.6 b. Methyl red; pk, = 5.1 c. Methyl orange; pk, = 3.7 Od. Bromothymol blue; pK₂ = 7.0 e. Bromocresol green; pk, = 4.7 40 45 50

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

Jj.107.

Which of the following indicators is most suitable for the titration curve shown in the figure below?
10-
8-
6-
4-
2-
0
0
Select one:
5
Volume of HCI used
to reach equivalence
point is 25.0 mL.
T
10
T
15
equivalence point,
pH = 5.12
20 25
Volume of titrant (mL)
a. Phenolphthalein; pK₂ = 9.6
b.
Methyl red; pk, = 5.1
c. Methyl orange; pk, = 3.7
Od. Bromothymol blue; pK₂ = 7.0
e. Bromocresol green; pK, = 4.7
30 35
40
45
50

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