From the list of acid-base indicators below, select the one BEST indicator for a titration with an equivalence point at pH 5.8 (BE CAREFUL--enter indicator name EXACTLY as it appears in table): Indicator Acid color Base color pKa 0.80 Yellow Blue Methyl violet 1.0 Red Yellow Cresol red Malachite green Thymol blue Phloxine Blue-green Yellow 1.3 Yellow 1.7 Red 1.8 Colorless Pink Red Yellow Orange IV Benzopurpurin Methyl yellow Methyl orange Bromophenol blue Congo red Dinitrophenol Alpha-Naphthyl red Bromocresol green Methyl red Ethyl red Azolitmin (litmus) Bromocresol purple Bromothymol blue Nitrophenol Phenol red Thymol blue Phenolphthalein Alizarin yellow R 2.1 2.8 Violet Red 3.3 Red Yellow 3.7 Red Yellow 4.0 Yellow Blue-violet 4.1 Blue Red 4.1 Colorless Yellow 4.3 Red Yellow 4.7 Yellow Blue 5.1 ed Yellow 5.4 Colorless red 5.8 Red Blue 6.3 Yellow Violet 7.0 Yellow Blue 7.2 Colorless Yellow 7.9 Yellow Red 8.9 Yellow blue 9.4 Colorless Red 11.0 Yellow red

Chemical Principles in the Laboratory
11th Edition
ISBN:9781305264434
Author:Emil Slowinski, Wayne C. Wolsey, Robert Rossi
Publisher:Emil Slowinski, Wayne C. Wolsey, Robert Rossi
Chapter22: Properties Of Systems In Chemical Equilibrium-le Chatelier's Principle
Section: Chapter Questions
Problem 1ASA: Methyl orange, HMO, is a common acid-base indicator. In solution it ionizes according to the...
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18
From the list of acid-base indicators below, select the one BEST indicator for a titration with an equivalence point at pH 5.8
(BE CAREFUL--enter indicator name EXACTLY as it appears in table):
Acid color
Base color
pKa
0.80
Indicator
Yellow
Blue
Methyl violet
Cresol red
1.0
Red
Yellow
Blue-green
Yellow
1.3
Yellow
Malachite green
Thymol blue
Phloxine
1.7
Red
1.8
Colorless
Pink
2.1
Red
Yellow
Orange IV
Benzopurpurin
Methyl yellow
Methyl orange
Bromophenol blue
Congo red
Dinitrophenol
Alpha-Naphthyl red
Bromocresol green
Methyl red
Ethyl red
Azolitmin (litmus)
Bromocresol purple
Bromothymol blue
Nitrophenol
Phenol red
2.8
Violet
Red
3.3
Red
Yellow
3.7
Red
Yellow
4.0
Yellow
Blue-violet
4.1
Blue
Red
4.1
Colorless
Yellow
4.3
Red
Yellow
4.7
Yellow
Blue
5.1
Red
Yellow
5.4
Colorless
red
5.8
Red
Blue
6.3
Yellow
Violet
7.0
Yellow
Blue
7.2
Colorless
Yellow
7.9
Yellow
Red
blue
Thymol blue
Phenolphthalein
Alizarin yellow R
8.9
Yellow
9.4
Colorless
Red
11.0
Yellow
red
MacBook Air
Transcribed Image Text:From the list of acid-base indicators below, select the one BEST indicator for a titration with an equivalence point at pH 5.8 (BE CAREFUL--enter indicator name EXACTLY as it appears in table): Acid color Base color pKa 0.80 Indicator Yellow Blue Methyl violet Cresol red 1.0 Red Yellow Blue-green Yellow 1.3 Yellow Malachite green Thymol blue Phloxine 1.7 Red 1.8 Colorless Pink 2.1 Red Yellow Orange IV Benzopurpurin Methyl yellow Methyl orange Bromophenol blue Congo red Dinitrophenol Alpha-Naphthyl red Bromocresol green Methyl red Ethyl red Azolitmin (litmus) Bromocresol purple Bromothymol blue Nitrophenol Phenol red 2.8 Violet Red 3.3 Red Yellow 3.7 Red Yellow 4.0 Yellow Blue-violet 4.1 Blue Red 4.1 Colorless Yellow 4.3 Red Yellow 4.7 Yellow Blue 5.1 Red Yellow 5.4 Colorless red 5.8 Red Blue 6.3 Yellow Violet 7.0 Yellow Blue 7.2 Colorless Yellow 7.9 Yellow Red blue Thymol blue Phenolphthalein Alizarin yellow R 8.9 Yellow 9.4 Colorless Red 11.0 Yellow red MacBook Air
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